{"title":"Archive: Recent Adds","description":"\u003cp\u003eNewly cataloged pieces—condition documented, notes verified. If a listing shows Sold Out, tap chat for an availability check.\u003c\/p\u003e","products":[{"product_id":"cayin-n6iii-n63-dap-used","title":"Cayin N6iii N63 DAP + C201 Card - Mint | HiFiLoop","description":"\u003cdiv\u003e\n\u003ch2\u003eThe Audiophile's Hook\u003c\/h2\u003e\n\u003cp\u003eThe Cayin N6iii (N63) is a high-end DAP built for listeners who chase texture, microdetail, and musical flow—without turning everything into “hi-fi glare.” If you want reference-level nuance for significantly less than buying new, this is a rare “value + performance” sweet spot.\u003c\/p\u003e\n\u003ch2\u003eCondition Report (The Truth)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eGrade:\u003c\/strong\u003e Mint — collector-quality, pristine, and lightly used.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFront \u0026amp; rear protective films applied; used very lightly.\u003c\/li\u003e\n\u003cli\u003eNo dents, no paint loss observed under normal inspection.\u003c\/li\u003e\n\u003cli\u003eAll functions verified: playback, buttons\/controls, and I\/O working normally.\u003c\/li\u003e\n\u003cli\u003eIncludes memory card (“201 card”, as provided).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDisclaimer:\u003c\/strong\u003e The device has passed all functional tests.\u003c\/p\u003e\n\u003ch2\u003eSonic Signature \u0026amp; Pairing\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eOwner notes (ground truth):\u003c\/strong\u003e exceptionally fine texture with rich harmonics; warm, emotionally engaging vocals; a smoother, more refined tuning. Compared with Sony WM1Z (1st gen), the tuning is described as more “right” and overall resolution as stronger.\u003c\/p\u003e\n\u003cp\u003eFor pairing, this kind of warm, harmonically rich presentation often balances best with neutral-to-lean IEMs, helping preserve clarity while keeping vocals vivid and natural.\u003c\/p\u003e\n\u003cp\u003eTo unleash the full potential of this device, we recommend pairing it with gear from our \u003ca href=\"\/collections\/in-ear-monitors\"\u003eIn-Ear Monitors Collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eTechnical Highlights\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eDigital Audio Player (DAP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eModel \/ Edition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eCayin N6iii (N63)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eMint (films applied, no dents\/paint loss observed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eIncluded Storage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eMemory card included (“201 card”, as provided)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eVerification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eFunctionality tested; ready for use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCayin N6iii (N63) player\u003c\/li\u003e\n\u003cli\u003eOriginal box + manuals (full set, as provided)\u003c\/li\u003e\n\u003cli\u003eOriginal accessories (complete set, as provided)\u003c\/li\u003e\n\u003cli\u003eLeather case\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Buy Used from HiFiLoop?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003e14-Day DOA\u003c\/strong\u003e: Full refund\/replace if dead on arrival.\u003c\/li\u003e\n\u003cli\u003e🔧 \u003cstrong\u003e180-Day Warranty\u003c\/strong\u003e: Free repair service (buyer pays return shipping).\u003c\/li\u003e\n\u003cli\u003e🔬 \u003cstrong\u003eLab Tested\u003c\/strong\u003e: I\/O, noise floor, channel balance, battery verified.\u003c\/li\u003e\n\u003cli\u003e📦 \u003cstrong\u003eFree Shipping\u003c\/strong\u003e: On orders over $199.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eSee full Grading Scale in Footer Condition Guide.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCTA:\u003c\/strong\u003e Missed this? Contact 'Help Me Find Gear'.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Cayin","offers":[{"title":"Default Title","offer_id":47545305235670,"sku":null,"price":859.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/Used_Cayin_N6iii_N63_DAP_in_Excellent_condition_-_product_photo.jpg?v=1765522666"},{"product_id":"cayin-n8ii-reference-dap-used","title":"Cayin N8ii Reference DAP - Excellent - Verified by HiFiLoop","description":"\u003cdiv\u003e\n\u003ch2\u003eThe Audiophile's Hook\u003c\/h2\u003e\n\u003cp\u003eThe Cayin N8ii is a true reference-grade DAP built for listeners who want choice, not compromise: flagship ROHM DACs, a real Nutube timbre stage, and switchable amplifier voicing that can reshape your entire chain. This unit is Excellent (98% new) and comes as a full set—flagship performance for less than new pricing, verified by HiFiLoop.\u003c\/p\u003e\n\u003ch2\u003eCondition Report (The Truth)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eExcellent \/ Well-Cared For:\u003c\/strong\u003e Very clean overall, lightly used, and handled with care.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNo obvious cosmetic defects observed.\u003c\/li\u003e\n\u003cli\u003eFull retail set included (box and accessories as shown in listing photos).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMandatory:\u003c\/strong\u003e The device has passed all functional tests.\u003c\/p\u003e\n\u003ch2\u003eSonic Signature \u0026amp; Pairing\u003c\/h2\u003e\n\u003cp\u003eN8ii is built for tonal flexibility: switch between Tube and Solid-State timbre, then refine further with Class A \/ Class AB and power modes to match your IEMs and library. It rewards resolving transducers with cleaner layering, stronger dynamics, and a more holographic sense of space when paired correctly.\u003c\/p\u003e\n\u003cp\u003eTo unleash the full potential of this device, we recommend pairing it with gear from our \u003ca href=\"\/collections\/in-ear-monitors\"\u003eIn-Ear Monitors Collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eTechnical Highlights (Mobile-Table)\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eDAC Chipset\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eDual ROHM BD34301EKV (mono operation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eTube Timbre Stage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eDual KORG Nutube 6P1 (balanced implementation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eSound Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eTube \/ Solid-State timbre + Class A \/ Class AB + standard\/high power modes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eAnalog Outputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e4.4mm balanced (phone out + balanced line out); 3.5mm headphone out + dedicated 3.5mm line out\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eDigital Interfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eUSB-C + coaxial (embedded via USB-C) + I2S (mini HDMI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eBattery \/ Playback\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e3.8V 10,000mAh; up to ~11h (3.5mm) \/ ~10h (4.4mm), mode-dependent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eStorage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e128GB internal; TF card expansion up to 1TB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCayin N8ii Digital Audio Player\u003c\/li\u003e\n\u003cli\u003eFull retail box and accessories (as shown in listing photos)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Buy Used from HiFiLoop?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e✅ 14-Day DOA: Full refund\/replace if dead on arrival.\u003c\/li\u003e\n\u003cli\u003e🔧 180-Day Warranty: Free repair service (buyer pays return shipping).\u003c\/li\u003e\n\u003cli\u003e🔬 Lab Tested: I\/O, noise floor, channel balance verified.\u003c\/li\u003e\n\u003cli\u003e📦 Free Shipping: Orders over $199.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSee full Grading Scale in Footer Condition Guide.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCTA:\u003c\/strong\u003e Missed this? Contact “Help Me Find Gear”.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Cayin","offers":[{"title":"Default Title","offer_id":47553432617174,"sku":null,"price":1699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/Used_Cayin_N8ii_reference_digital_audio_player_in_Excellent_condition_-_product_photo.png?v=1765962009"},{"product_id":"dunu-concept-r-cd-player-used","title":"DUNU Concept R Portable CD Player - Mint - Verified by HiFiLoop","description":"\u003cdiv\u003e\n  \u003ch2\u003eThe Audiophile's Hook\u003c\/h2\u003e\n  \u003cp\u003e\n    DUNU Concept R is a modern portable CD player built like a statement piece—bringing physical media back with a discrete, fully balanced R-2R decoding architecture and serious battery capacity.\n    This unit is Mint (99% new): a high-performance, high-value way to rediscover your CD library with a true audiophile-grade portable source.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eCondition Report (The Truth)\u003c\/h2\u003e\n  \u003cp\u003e\u003cstrong\u003eMint \/ Collector Quality:\u003c\/strong\u003e Like new with minimal handling marks.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eNo obvious cosmetic defects observed.\u003c\/li\u003e\n    \u003cli\u003ePackaging and accessories are included as shown in the listing photos.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cstrong\u003eMandatory:\u003c\/strong\u003e The device has passed all functional tests.\u003c\/p\u003e\n\n  \u003ch2\u003eSonic Signature \u0026amp; Pairing\u003c\/h2\u003e\n  \u003cp\u003e\n    Concept R’s discrete R-2R approach is built for natural timbre and a smooth, continuous musical flow—ideal if you prefer an organic presentation over a “hyper-etched” sound.\n    Pair it with resolving IEMs to maximize micro-detail and staging while keeping the listening experience effortless and immersive.\n  \u003c\/p\u003e\n  \u003cp\u003e\n    To unleash the full potential of this device, we recommend pairing it with gear from our \u003ca href=\"\/collections\/in-ear-monitors\"\u003eIn-Ear Monitors Collection\u003c\/a\u003e.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eTechnical Highlights (Mobile-Table)\u003c\/h2\u003e\n  \u003ctable style=\"width:100%; border-collapse: collapse;\"\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eDecoding Architecture\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eDiscrete R-2R DAC, fully balanced four-channel architecture\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eBattery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e3.8V 12,000mAh (31.58Wh)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003ePower Input\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e5V\/2A or 9V\/2A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eCD Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e12cm \u0026amp; 8cm CD \/ CD-R\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eApprox. 205 × 150 × 32 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eApprox. 1165 g\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\n  \u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eDUNU Concept R Portable CD Player\u003c\/li\u003e\n    \u003cli\u003ePackaging and accessories (as shown in listing photos)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eWhy Buy Used from HiFiLoop?\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e✅ 14-Day DOA: Full refund\/replace if dead on arrival.\u003c\/li\u003e\n    \u003cli\u003e🔧 180-Day Warranty: Free repair service (buyer pays return shipping).\u003c\/li\u003e\n    \u003cli\u003e🔬 Lab Tested: I\/O, noise floor, channel balance verified.\u003c\/li\u003e\n    \u003cli\u003e📦 Free Shipping: On orders over $199.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cstrong\u003eSee full Grading Scale in Footer Condition Guide.\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eCTA:\u003c\/strong\u003e Missed this? Contact 'Help Me Find Gear'.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"HiFiLoop","offers":[{"title":"Default Title","offer_id":47556577165526,"sku":null,"price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/Used_DUNU_Concept_R_portable_CD_player_in_Mint_condition_-_product_photo.jpg?v=1765961576"},{"product_id":"astrotec-lyra-clover-earbuds-used","title":"Astrotec Lyra Clover Earbuds - Excellent - Verified by HiFiLoop","description":"\u003cdiv\u003e\n  \u003ch2\u003eThe Audiophile's Hook\u003c\/h2\u003e\n  \u003cp\u003e\n    Astrotec Lyra Clover is a “flathead” earbud with a big 15mm dynamic driver—built for an airy, speaker-like listen with effortless flow.\n    This unit is Excellent (98% new) with the full retail set: serious sound-per-dollar, verified by HiFiLoop.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eCondition Report (The Truth)\u003c\/h2\u003e\n  \u003cp\u003e\u003cstrong\u003eExcellent \/ Well-Cared For:\u003c\/strong\u003e Very clean overall, lightly used, and handled with care.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eNo obvious cosmetic defects observed.\u003c\/li\u003e\n    \u003cli\u003eFull original retail set included.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cstrong\u003eMandatory:\u003c\/strong\u003e The device has passed all functional tests.\u003c\/p\u003e\n\n  \u003ch2\u003eSonic Signature \u0026amp; Pairing\u003c\/h2\u003e\n  \u003cp\u003e\n    Flathead earbuds shine when you want openness and natural spatial cues without the “sealed-in” feeling of typical IEMs.\n    Pair with a quality DAP for better control, cleaner dynamics, and a more stable stage—especially at lower listening volumes.\n  \u003c\/p\u003e\n  \u003cp\u003e\n    To unleash the full potential of this device, we recommend pairing it with gear from our \u003ca href=\"\/collections\/digital-audio-players\"\u003eDigital Audio Players Collection\u003c\/a\u003e.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eTechnical Highlights (Mobile-Table)\u003c\/h2\u003e\n  \u003ctable style=\"width:100%; border-collapse: collapse;\"\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eDriver\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e15mm Dynamic Driver\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eImpedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e32Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e5–40,000Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eSensitivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e110dB\/mW\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eCable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eHigh-purity OFC silver-plated cable\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eConnector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e2-pin (0.78)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003ePlug \/ Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e3.5mm single-ended; 1.2m\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\n  \u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eAstrotec Lyra Clover earbuds\u003c\/li\u003e\n    \u003cli\u003eFull original retail packaging and accessories\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eWhy Buy Used from HiFiLoop?\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e✅ 14-Day DOA: Full refund\/replace if dead on arrival.\u003c\/li\u003e\n    \u003cli\u003e🔧 180-Day Warranty: Free repair service (buyer pays return shipping).\u003c\/li\u003e\n    \u003cli\u003e🔬 Lab Tested: I\/O, noise floor, channel balance verified.\u003c\/li\u003e\n    \u003cli\u003e📦 Free Shipping: Orders over $199.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cstrong\u003eSee full Grading Scale in Footer Condition Guide.\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eCTA:\u003c\/strong\u003e Missed this? Contact “Help Me Find Gear”.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"HiFiLoop","offers":[{"title":"Default Title","offer_id":47557056495830,"sku":null,"price":139.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/astrotec-lyra-earbuds-female-vocal-hifi-flat-head_2.jpg?v=1764822531"},{"product_id":"cayin-ru7-amp-dac-used","title":"Cayin RU7 DAC\/Amp Dongle - Mint - Verified by HiFiLoop","description":"\u003cdiv\u003e\n\u003ch2\u003eThe Audiophile's Hook\u003c\/h2\u003e\n\u003cp\u003eThe Cayin RU7 is a rare breed in the dongle world: a fully discrete 1-bit DAC design built for musical flow, density, and realism—without the “clinical” edge many compact DACs can bring. This is a Mint (99% new) full-set unit, delivering flagship-style tone and drive for less than new pricing.\u003c\/p\u003e\n\u003ch2\u003eCondition Report (The Truth)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eMint \/ Collector Quality:\u003c\/strong\u003e Like new with minimal handling marks, ideal for clean desk setups and everyday carry.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNo obvious cosmetic defects observed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMandatory:\u003c\/strong\u003e The device has passed all functional tests.\u003c\/p\u003e\n\u003ch2\u003eSonic Signature \u0026amp; Pairing\u003c\/h2\u003e\n\u003cp\u003eRU7 is designed around Cayin’s discrete 1-bit approach and “All-to-DSD” processing, aiming for a smooth, organic presentation with strong micro-dynamics and an effortless sense of flow. With both 3.5mm and 4.4mm outputs, it’s an easy match for sensitive IEMs and many portable headphones, especially when you want more body and texture on the go.\u003c\/p\u003e\n\u003cp\u003eTo unleash the full potential of this device, we recommend pairing it with gear from our \u003ca href=\"\/collections\/headphones\"\u003eHeadphones Collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eTechnical Highlights (Mobile-Table)\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eDAC Architecture\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eDiscrete 1-bit resistor network design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eHi-Res Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003ePCM up to 384kHz; Native DSD64–DSD256\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eAll-to-DSD Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eSelectable DSD64 \/ DSD128 \/ DSD256 conversion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eOutputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e3.5mm single-ended + 4.4mm balanced; line-out supported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eOutput Power (@32Ω)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eUp to 400mW (4.4mm) \/ 160mW (3.5mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eVolume Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e100-step discrete resistor volume (3 segments)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eSize \/ Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e66 × 24 × 12 mm; 25 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCayin RU7 dongle DAC\/amp\u003c\/li\u003e\n\u003cli\u003eFull original retail set (box + original accessories)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Buy Used from HiFiLoop?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e✅ 14-Day DOA: Full refund\/replace if dead on arrival.\u003c\/li\u003e\n\u003cli\u003e🔧 180-Day Warranty: Free repair service (buyer pays return shipping).\u003c\/li\u003e\n\u003cli\u003e🔬 Lab Tested: I\/O, noise floor, channel balance verified.\u003c\/li\u003e\n\u003cli\u003e📦 Free Shipping: On orders over $199.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSee full Grading Scale in Footer Condition Guide.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCTA:\u003c\/strong\u003e Missed this? Contact “Help Me Find Gear”.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"HiFiLoop","offers":[{"title":"Default Title","offer_id":47614240751830,"sku":null,"price":129.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/Used_Cayin_RU7_DAC_Amp_dongle_in_Mint_condition_-_product_photo.jpg?v=1765952465"},{"product_id":"hiby-r6-pro-max-dap-used","title":"HiBy R6 Pro Max DAP - Mint - Verified by HiFiLoop","description":"\u003cdiv\u003e\n\u003ch2\u003eThe Audiophile's Hook\u003c\/h2\u003e\n\u003cp\u003eThe HiBy R6 Pro Max is a true “flagship-on-the-go” Android DAP: dual flagship ESS DACs, serious drive, and a fluid, immersive listen that makes both streaming and local files feel more alive. This unit is Mint (99% new) with the full original set—high performance, high value, and verified by HiFiLoop.\u003c\/p\u003e\n\u003ch2\u003eCondition Report (The Truth)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eMint \/ Collector Quality:\u003c\/strong\u003e Like new with minimal handling marks.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNo obvious cosmetic defects observed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMandatory:\u003c\/strong\u003e The device has passed all functional tests.\u003c\/p\u003e\n\u003ch2\u003eSonic Signature \u0026amp; Pairing\u003c\/h2\u003e\n\u003cp\u003eThe R6 Pro Max is often described as warm, full-bodied, and “organic” with engaging treble that avoids harshness—an easy match for brighter-leaning monitors while preserving detail and layering. With dedicated phone-out and line-out ports, it can serve as both a powerful portable player and a clean source for external amps.\u003c\/p\u003e\n\u003cp\u003eTo unleash the full potential of this device, we recommend pairing it with gear from our \u003ca href=\"\/collections\/in-ear-monitors\"\u003eIn-Ear Monitors Collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eTechnical Highlights (Mobile-Table)\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eOperating System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eAndroid 12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eSoC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eQualcomm Snapdragon 665\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eDAC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eDual ESS Sabre ES9039MS Pro\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eOutputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e3.5mm PO + 3.5mm LO + 4.4mm BAL PO + 4.4mm BAL LO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eStorage \/ Expansion\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e128GB internal; microSD expansion (up to 2TB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e5.9\" IPS (2160×1080)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eBattery Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eUp to ~10h (3.5mm) \/ ~9h (4.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHiBy R6 Pro Max Digital Audio Player\u003c\/li\u003e\n\u003cli\u003eFull original retail set (box + original accessories)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Buy Used from HiFiLoop?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e✅ 14-Day DOA: Full refund\/replace if dead on arrival.\u003c\/li\u003e\n\u003cli\u003e🔧 180-Day Warranty: Free repair service (buyer pays return shipping).\u003c\/li\u003e\n\u003cli\u003e🔬 Lab Tested: I\/O, noise floor, channel balance verified.\u003c\/li\u003e\n\u003cli\u003e📦 Free Shipping: On orders over $199.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSee full Grading Scale in Footer Condition Guide.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCTA:\u003c\/strong\u003e Missed this? Contact “Help Me Find Gear”.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"HiFiLoop","offers":[{"title":"Default Title","offer_id":47614323556566,"sku":null,"price":779.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/Used_HiBy_R6_Pro_Max_digital_audio_player_in_Mint_condition_-_product_photo.jpg?v=1765954028"},{"product_id":"questyle-cma18p-dac-amp-used","title":"Questyle CMA18P DAC\/Amp - Excellent - Verified by HiFiLoop","description":"\u003cdiv\u003e\n  \u003ch2\u003eThe Audiophile's Hook\u003c\/h2\u003e\n  \u003cp\u003e\n    Questyle CMA18P is a portable “current-mode engine” built to bring desktop-grade authority into your pocket: fast transients, confident drive, and a clean, natural tonality that stays composed as your headphones get tougher.\n    This is an Excellent (98% new) full-set unit with the leather case—high performance, high value, and verified by HiFiLoop.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eCondition Report (The Truth)\u003c\/h2\u003e\n  \u003cp\u003e\u003cstrong\u003eExcellent \/ Well-Cared For:\u003c\/strong\u003e Very clean overall, lightly used, and handled with care. Minor signs of use may exist under close inspection.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eNo obvious cosmetic defects observed.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cstrong\u003eMandatory:\u003c\/strong\u003e The device has passed all functional tests.\u003c\/p\u003e\n\n  \u003ch2\u003eSonic Signature \u0026amp; Pairing\u003c\/h2\u003e\n  \u003cp\u003e\n    CMA18P’s signature leans “clean and controlled” rather than boosted or colored—quick transients, strong macrodynamics, and a cohesive stage that keeps images dense and stable.\n    If you want a portable DAC\/amp that feels more like a scaled-down desktop rig (instead of a typical dongle), this is the move.\n  \u003c\/p\u003e\n  \u003cp\u003e\n    To unleash the full potential of this device, we recommend pairing it with gear from our \u003ca href=\"\/collections\/headphones\"\u003eHeadphones Collection\u003c\/a\u003e.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eTechnical Highlights (Mobile-Table)\u003c\/h2\u003e\n  \u003ctable style=\"width:100%; border-collapse: collapse;\"\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eDAC \/ USB Interface\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eAKM AK4493 + XMOS XU316\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eCurrent-Mode Amplification\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eQuestyle CMA with CC630\/CA630 SiP modules\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eHi-Res Support (USB)\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003ePCM up to 32-bit \/ 768kHz; Native DSD up to DSD512\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eOutputs\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e4.4mm balanced + 3.5mm single-ended (headphone out + line out)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eOptical Support\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e3.5mm Mini-Toslink input (PCM up to 24-bit \/ 192kHz)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eUp to 1W @ 32Ω (balanced)\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/table\u003e\n\n  \u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eQuestyle CMA18P DAC\/Headphone Amplifier\u003c\/li\u003e\n    \u003cli\u003eFull original retail set (box + original accessories)\u003c\/li\u003e\n    \u003cli\u003eLeather case (included)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eWhy Buy Used from HiFiLoop?\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e✅ 14-Day DOA: Full refund\/replace if dead on arrival.\u003c\/li\u003e\n    \u003cli\u003e🔧 180-Day Warranty: Free repair service (buyer pays return shipping).\u003c\/li\u003e\n    \u003cli\u003e🔬 Lab Tested: I\/O, noise floor, channel balance verified.\u003c\/li\u003e\n    \u003cli\u003e📦 Free Shipping: On orders over $199.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cstrong\u003eSee full Grading Scale in Footer Condition Guide.\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eCTA:\u003c\/strong\u003e Missed this? Contact “Help Me Find Gear”.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"HiFiLoop","offers":[{"title":"Default Title","offer_id":47614368776406,"sku":null,"price":389.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/Used_Questyle_CMA18P_DAC_Amp_in_Excellent_condition_-_product_photo.jpg?v=1765954708"},{"product_id":"woo-audio-wa11-topaz-portable-dac-amp-used","title":"Woo Audio WA11 Topaz Portable DAC\/Amp - Excellent - Verified by HiFiLoop","description":"\u003cdiv\u003e\n  \u003ch2\u003eThe Audiophile's Hook\u003c\/h2\u003e\n  \u003cp\u003e\n    The Woo Audio WA11 Topaz is a rare portable that behaves like a serious desktop amp: fully-balanced, battery-powered, and Class-A—built to drive demanding full-size headphones while staying quiet enough for sensitive IEMs.\n    This unit is Excellent (98% new) and includes the full original set, giving you flagship-grade portability for less than new pricing.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eCondition Report (The Truth)\u003c\/h2\u003e\n  \u003cp\u003e\u003cstrong\u003eExcellent \/ Well-Cared For:\u003c\/strong\u003e Very clean overall, lightly used, and handled with care. Minor signs of use may exist under close inspection.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eNo obvious cosmetic defects observed.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cstrong\u003eMandatory:\u003c\/strong\u003e The device has passed all functional tests.\u003c\/p\u003e\n\n  \u003ch2\u003eSonic Signature \u0026amp; Pairing\u003c\/h2\u003e\n  \u003cp\u003e\n    WA11 Topaz focuses on speed, control, and headroom—punchy macrodynamics, stable imaging, and a “black” background that helps detail pop without sounding sharp.\n    If you want portable authority for planars and power-hungry headphones, this is the kind of rig that can replace a small desktop stack on the move.\n  \u003c\/p\u003e\n  \u003cp\u003e\n    To unleash the full potential of this device, we recommend pairing it with gear from our \u003ca href=\"\/collections\/headphones\"\u003eHeadphones Collection\u003c\/a\u003e.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eTechnical Highlights (Mobile-Table)\u003c\/h2\u003e\n  \u003ctable style=\"width:100%; border-collapse: collapse;\"\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eTopology\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eFully-balanced, solid-state, Class-A portable DAC\/amp\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eMax Output Power\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eUp to 1.2W @ 30Ω\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eOutputs\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e4.4mm balanced + 6.3mm (1\/4\") unbalanced\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eInputs\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eUSB-C (audio) + USB-C (charging) + 4.4mm balanced line-in\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eHi-Res Support\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003ePCM up to 24-bit \/ 384kHz; DSD support listed by Woo Audio (specs may vary by revision)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eBattery\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eRechargeable lithium-ion; up to ~6 hours playback (use-dependent)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eSize \/ Weight\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e155 × 85 × 27 mm; ~426–455 g (listing varies by source)\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/table\u003e\n\n  \u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eWoo Audio WA11 Topaz portable DAC\/amp\u003c\/li\u003e\n    \u003cli\u003eOriginal box + Quick Start Guide\u003c\/li\u003e\n    \u003cli\u003eUSB-A to USB-C cable\u003c\/li\u003e\n    \u003cli\u003eUSB-C to USB-C OTG cable\u003c\/li\u003e\n    \u003cli\u003eUSB charger\u003c\/li\u003e\n    \u003cli\u003eWall plug adapters (UK\/EU\/AU)\u003c\/li\u003e\n    \u003cli\u003eOriginal protection pouch\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eWhy Buy Used from HiFiLoop?\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e✅ 14-Day DOA: Full refund\/replace if dead on arrival.\u003c\/li\u003e\n    \u003cli\u003e🔧 180-Day Warranty: Free repair service (buyer pays return shipping).\u003c\/li\u003e\n    \u003cli\u003e🔬 Lab Tested: I\/O, noise floor, channel balance verified.\u003c\/li\u003e\n    \u003cli\u003e📦 Free Shipping: On orders over $199.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cstrong\u003eSee full Grading Scale in Footer Condition Guide.\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eCTA:\u003c\/strong\u003e Missed this? Contact “Help Me Find Gear”.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"HiFiLoop","offers":[{"title":"Default Title","offer_id":47614389321942,"sku":null,"price":619.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/Used_Woo_Audio_WA11_Topaz_portable_DAC_Amp_in_Excellent_condition_-_product_photo.jpg?v=1765955178"},{"product_id":"dunu-dk3001bd-iem-used","title":"DUNU DK3001BD IEM - Mint - Verified by HiFiLoop","description":"\u003cdiv\u003e\n  \u003ch2\u003eThe Audiophile's Hook\u003c\/h2\u003e\n  \u003cp\u003e\n    The DUNU DK3001BD is a “big-system” IEM in a portable shell: a 9-driver tribrid design tuned for resolution, separation, and speed—without sacrificing low-end authority.\n    This unit is Mint (99% new) and comes as a full set, plus extra ear tips for easy fit and sound fine-tuning.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eCondition Report (The Truth)\u003c\/h2\u003e\n  \u003cp\u003e\u003cstrong\u003eMint \/ Collector Quality:\u003c\/strong\u003e Like new with minimal handling marks.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eNo obvious cosmetic defects observed.\u003c\/li\u003e\n    \u003cli\u003eAccessories and packaging are included as shown in the listing photos.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cstrong\u003eMandatory:\u003c\/strong\u003e The device has passed all functional tests.\u003c\/p\u003e\n\n  \u003ch2\u003eSonic Signature \u0026amp; Pairing\u003c\/h2\u003e\n  \u003cp\u003e\n    DK3001BD is frequently described as energetic and highly resolving, with strong layering and clean separation—great for modern genres, live recordings, and listeners who want detail without turning volume into fatigue.\n    Tip rolling makes a meaningful difference here, and this listing includes extra tips to help you lock in comfort and the exact tonal balance you prefer.\n  \u003c\/p\u003e\n  \u003cp\u003e\n    To unleash the full potential of this device, we recommend pairing it with gear from our \u003ca href=\"\/collections\/digital-audio-players\"\u003eDigital Audio Players Collection\u003c\/a\u003e.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eTechnical Highlights (Mobile-Table)\u003c\/h2\u003e\n  \u003ctable style=\"width:100%; border-collapse: collapse;\"\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eDriver Configuration\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e9-driver tribrid: 1 Dynamic + 4 Balanced Armature + 4 Planar\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e5 Hz – 40 kHz\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eImpedance\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e26 Ω\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eSensitivity\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e108 dB\/mW @ 1 kHz (also listed as 122 dB\/Vrms @ 1 kHz)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eShell\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eZirconium-ceramic coated shell; aerospace-grade aluminum alloy housing\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eModular Plug System\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eQ-Lock Mini interchangeable plug system (3.5mm SE + 4.4mm balanced included)\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/table\u003e\n\n  \u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eDUNU DK3001BD in-ear monitors\u003c\/li\u003e\n    \u003cli\u003eFull retail box + manuals + accessories (as shown in photos)\u003c\/li\u003e\n    \u003cli\u003eEar tips: 1 pair of original tips + 5 pairs of third-party tips\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eWhy Buy Used from HiFiLoop?\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e✅ 14-Day DOA: Full refund\/replace if dead on arrival.\u003c\/li\u003e\n    \u003cli\u003e🔧 180-Day Warranty: Free repair service (buyer pays return shipping).\u003c\/li\u003e\n    \u003cli\u003e🔬 Lab Tested: I\/O, noise floor, channel balance verified.\u003c\/li\u003e\n    \u003cli\u003e📦 Free Shipping: On orders over $199.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cstrong\u003eSee full Grading Scale in Footer Condition Guide.\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eCTA:\u003c\/strong\u003e Missed this? Contact “Help Me Find Gear”.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"HiFiLoop","offers":[{"title":"Default Title","offer_id":47614418944214,"sku":null,"price":329.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/Used_DUNU_DK3001BD_in-ear_monitors_in_Mint_condition_-_product_photo.jpg?v=1765955763"},{"product_id":"cayin-n3-ultra-dap-used","title":"Cayin N3 Ultra DAP - Mint - Verified by HiFiLoop","description":"\u003cdiv\u003e\n  \u003ch2\u003eThe Audiophile's Hook\u003c\/h2\u003e\n  \u003cp\u003e\n    The Cayin N3 Ultra is the “tube DAP done right”: a focused music-first player built around vintage Raytheon JAN6418 tubes, offering three distinct timbres—Classic Tube, Modern Tube, and Solid-State.\n    This unit is Mint (99% new), full set, and includes a leather case—high performance and high value, verified by HiFiLoop.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eCondition Report (The Truth)\u003c\/h2\u003e\n  \u003cp\u003e\u003cstrong\u003eMint \/ Collector Quality:\u003c\/strong\u003e Like new with minimal handling marks. Clean for display, safe for daily carry.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eLeather case included.\u003c\/li\u003e\n    \u003cli\u003eNo obvious cosmetic defects observed.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cstrong\u003eMandatory:\u003c\/strong\u003e The device has passed all functional tests.\u003c\/p\u003e\n\n  \u003ch2\u003eSonic Signature \u0026amp; Pairing\u003c\/h2\u003e\n  \u003cp\u003e\n    N3 Ultra is built for tonal versatility: switch between tube timbres for extra bloom and texture, or go Solid-State for a cleaner, tighter presentation.\n    Its dual line-out options also make it a flexible source for portable rigs and desktop systems when you want a compact, characterful front end.\n  \u003c\/p\u003e\n  \u003cp\u003e\n    To unleash the full potential of this device, we recommend pairing it with gear from our \u003ca href=\"\/collections\/in-ear-monitors\"\u003eIn-Ear Monitors Collection\u003c\/a\u003e.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eTechnical Highlights (Mobile-Table)\u003c\/h2\u003e\n  \u003ctable style=\"width:100%; border-collapse: collapse;\"\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eDAC\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eDual AK4493SEQ (Mono Mode)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eVacuum Tubes\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eRaytheon JAN6418 x2\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eSystem\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eCustomized Android 8.1 (music-focused)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eOutputs\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e3.5mm Phone Out + 4.4mm Balanced (shared); 3.5mm Line Out + 4.4mm Balanced Line Out (shared)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eDigital Interface\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eUSB Audio (in\/out); S\/PDIF Coaxial (USB-embedded)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eStorage\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eTF card slot (supports up to 1TB)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eBattery\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e4500mAh; playback varies by output\/timbre\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/table\u003e\n\n  \u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eCayin N3 Ultra Digital Audio Player\u003c\/li\u003e\n    \u003cli\u003eFull original retail set (box + included accessories)\u003c\/li\u003e\n    \u003cli\u003eLeather case\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eWhy Buy Used from HiFiLoop?\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e✅ 14-Day DOA: Full refund\/replace if dead on arrival.\u003c\/li\u003e\n    \u003cli\u003e🔧 180-Day Warranty: Free repair service (buyer pays return shipping).\u003c\/li\u003e\n    \u003cli\u003e🔬 Lab Tested: I\/O, noise floor, channel balance verified.\u003c\/li\u003e\n    \u003cli\u003e📦 Free Shipping: Orders over $199.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cstrong\u003eSee full Grading Scale in Footer Condition Guide.\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eCTA:\u003c\/strong\u003e Missed this? Contact “Help Me Find Gear”.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"HiFiLoop","offers":[{"title":"Default Title","offer_id":47614428315862,"sku":null,"price":349.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/Used_Cayin_N3_Ultra_digital_audio_player_in_Mint_condition_-_product_photo.jpg?v=1765956429"},{"product_id":"hifiman-he1000se-headphones-used","title":"HIFIMAN HE1000se Headphones (Black Cable Set) - Good - Verified by HiFiLoop","description":"\u003cdiv\u003e\n\u003ch2\u003eThe Audiophile's Hook\u003c\/h2\u003e\n\u003cp\u003eHE1000se is a reference-class open-back planar: fast transients, huge air, and razor-clean separation that scales dramatically with a great chain. This is a high-value “daily driver” listing—authentic flagship performance at used-market pricing, verified by HiFiLoop.\u003c\/p\u003e\n\u003ch2\u003eCondition Report (The Truth)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eGood \/ Workhorse Condition:\u003c\/strong\u003e Visible wear in specific areas, but built for real listening—strong value for a flagship-class headphone.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeadband fabric has partial delamination (adhesive separation).\u003c\/li\u003e\n\u003cli\u003eEarpads show light compression marks \/ minor indentations.\u003c\/li\u003e\n\u003cli\u003eBlack cable set included: 4-pin XLR + 6.35mm.\u003c\/li\u003e\n\u003cli\u003e3.5mm cable is NOT included.\u003c\/li\u003e\n\u003cli\u003eBox, papers, and accessories are included as shown in the listing photos.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMandatory:\u003c\/strong\u003e The device has passed all functional tests.\u003c\/p\u003e\n\u003ch2\u003eSonic Signature \u0026amp; Pairing\u003c\/h2\u003e\n\u003cp\u003eHE1000se is known for its speed and clarity—an expansive stage, high resolution, and effortless layering that rewards good amplification. If you want a flagship planar that stays articulate at both low and moderate volumes, this is a serious endgame contender.\u003c\/p\u003e\n\u003cp\u003eTo unleash the full potential of this device, we recommend pairing it with gear from our \u003ca href=\"\/collections\/amplifiers-dacs\"\u003eAmplifiers \u0026amp; DACs Collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eTechnical Highlights (Mobile-Table)\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eOpen-back planar magnetic headphone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eImpedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e35Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eSensitivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e96 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e8Hz – 65kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e440g (15.5 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHIFIMAN HE1000se headphones\u003c\/li\u003e\n\u003cli\u003eBox + papers + accessories (as pictured)\u003c\/li\u003e\n\u003cli\u003e2 cables included: 4-pin XLR + 6.35mm\u003c\/li\u003e\n\u003cli\u003eNot included: 3.5mm cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Buy Used from HiFiLoop?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e✅ 14-Day DOA: Full refund\/replace if dead on arrival.\u003c\/li\u003e\n\u003cli\u003e🔧 180-Day Warranty: Free repair service (buyer pays return shipping).\u003c\/li\u003e\n\u003cli\u003e🔬 Lab Tested: I\/O, noise floor, channel balance verified.\u003c\/li\u003e\n\u003cli\u003e📦 Free Shipping: On orders over $199.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSee full Grading Scale in Footer Condition Guide.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCTA:\u003c\/strong\u003e Missed this? Contact “Help Me Find Gear”.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"HiFiLoop","offers":[{"title":"Default Title","offer_id":47614455513302,"sku":null,"price":1149.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/hifiman-he1000se-headphones-feature_2.jpg?v=1765957248"},{"product_id":"epz-530-iem-used","title":"EPZ 530 IEM - Mint - Verified by HiFiLoop","description":"\u003cdiv\u003e\n  \u003ch2\u003eThe Audiophile's Hook\u003c\/h2\u003e\n  \u003cp\u003e\n    EPZ 530 is a clean, modern daily-driver IEM built for easy listening with strong detail retrieval and solid musical flow.\n    This listing is a high-value bundle: the IEMs are Mint (99% new), and you also get a NiceHCK Brown Lion cable included—serious performance for less than new pricing, verified by HiFiLoop.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eCondition Report (The Truth)\u003c\/h2\u003e\n  \u003cp\u003e\u003cstrong\u003eMint \/ Collector Quality:\u003c\/strong\u003e The earphones are like new with minimal handling marks.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eNiceHCK Brown Lion cable included (gently used); the plug shows visible wear from normal use.\u003c\/li\u003e\n    \u003cli\u003eOriginal stock cable is NOT included.\u003c\/li\u003e\n    \u003cli\u003eBox, papers, and accessories are included as shown in the listing photos.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cstrong\u003eMandatory:\u003c\/strong\u003e The device has passed all functional tests.\u003c\/p\u003e\n\n  \u003ch2\u003eSonic Signature \u0026amp; Pairing\u003c\/h2\u003e\n  \u003cp\u003e\n    A great IEM can only shine with a clean source. Use a quality DAP to improve dynamics, layering, and background blackness—especially at lower volumes.\n    If you’re building a compact, no-fuss portable rig, EPZ 530 makes an excellent foundation.\n  \u003c\/p\u003e\n  \u003cp\u003e\n    To unleash the full potential of this device, we recommend pairing it with gear from our \u003ca href=\"\/collections\/digital-audio-players\"\u003eDigital Audio Players Collection\u003c\/a\u003e.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eTechnical Highlights (Mobile-Table)\u003c\/h2\u003e\n  \u003ctable style=\"width:100%; border-collapse: collapse;\"\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eEarphones: Mint (99% new)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eIncluded Cable\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eNiceHCK Brown Lion cable (gently used; plug wear present)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eOriginal Cable\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eNot included\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eAccessory Status\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eBox\/papers\/accessories included as pictured\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/table\u003e\n\n  \u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eEPZ 530 in-ear monitors\u003c\/li\u003e\n    \u003cli\u003eNiceHCK Brown Lion cable (included; original cable not included)\u003c\/li\u003e\n    \u003cli\u003eBox + papers + accessories (as shown in photos)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eWhy Buy Used from HiFiLoop?\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e✅ 14-Day DOA: Full refund\/replace if dead on arrival.\u003c\/li\u003e\n    \u003cli\u003e🔧 180-Day Warranty: Free repair service (buyer pays return shipping).\u003c\/li\u003e\n    \u003cli\u003e🔬 Lab Tested: I\/O, noise floor, channel balance verified.\u003c\/li\u003e\n    \u003cli\u003e📦 Free Shipping: Orders over $199.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cstrong\u003eSee full Grading Scale in Footer Condition Guide.\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eCTA:\u003c\/strong\u003e Missed this? Contact “Help Me Find Gear”.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"HiFiLoop","offers":[{"title":"Default Title","offer_id":47614469603542,"sku":null,"price":209.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/Used_EPZ_530_in-ear_monitors_in_Mint_condition_-_product_photo.jpg?v=1765957678"},{"product_id":"yongse-long-wang-zishan-dragon-king-mmcx-44-cable-used","title":"Yongse Long Wang (Zishan Dragon King) MMCX Cable 4.4 Balanced - Good - Verified by HiFiLoop","description":"\u003cdiv\u003e\n\u003ch2\u003eThe Audiophile's Hook\u003c\/h2\u003e\n\u003cp\u003eThe Yongse Long Wang is a boutique-style upgrade cable built for MMCX IEM setups, finished with a 4.4mm balanced plug for modern portable rigs. This listing is a value play: flagship-style materials and ergonomics at used-market pricing—verified by HiFiLoop.\u003c\/p\u003e\n\u003ch2\u003eCondition Report (The Truth)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eGood \/ Workhorse Condition:\u003c\/strong\u003e Visible cosmetic signs of use, but ready for daily listening.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLight oxidation present (cosmetic).\u003c\/li\u003e\n\u003cli\u003e4.4mm balanced plug shows normal handling wear.\u003c\/li\u003e\n\u003cli\u003eConnectors: MMCX (for compatible IEMs).\u003c\/li\u003e\n\u003cli\u003ePackaging and accessories are included as shown in the listing photos.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMandatory:\u003c\/strong\u003e The device has passed all functional tests.\u003c\/p\u003e\n\u003ch2\u003eSonic Signature \u0026amp; Pairing\u003c\/h2\u003e\n\u003cp\u003eBalanced cabling is often chosen to unlock higher output and lower noise on many modern sources, especially with sensitive IEMs. If you want a cleaner, more stable portable chain, a 4.4mm-ready cable is the simplest upgrade you can feel immediately in daily use.\u003c\/p\u003e\n\u003cp\u003eTo unleash the full potential of this device, we recommend pairing it with gear from our \u003ca href=\"\/collections\/digital-audio-players\"\u003eDigital Audio Players Collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eTechnical Highlights (Mobile-Table)\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eIEM upgrade cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eIEM Connector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eMMCX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eTermination\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e4.4mm balanced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eConductor \/ Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003ePure silver, gold-foil plated (as labeled by the series)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eCondition Notes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eLight oxidation present; normal plug wear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eYongse Long Wang MMCX upgrade cable (4.4mm balanced)\u003c\/li\u003e\n\u003cli\u003eAccessories\/packaging (as shown in photos)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Buy Used from HiFiLoop?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e✅ 14-Day DOA: Full refund\/replace if dead on arrival.\u003c\/li\u003e\n\u003cli\u003e🔧 180-Day Warranty: Free repair service (buyer pays return shipping).\u003c\/li\u003e\n\u003cli\u003e🔬 Lab Tested: Connectivity and channel integrity verified.\u003c\/li\u003e\n\u003cli\u003e📦 Free Shipping: Orders over $199.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSee full Grading Scale in Footer Condition Guide.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCTA:\u003c\/strong\u003e Missed this? Contact “Help Me Find Gear”.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"HiFiLoop","offers":[{"title":"Default Title","offer_id":47614626726102,"sku":null,"price":249.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/Used_Yongse_Long_Wang_MMCX_upgrade_cable_4.4mm_balanced_in_Good_condition_-_product_photo.jpg?v=1765962445"},{"product_id":"audio-technica-ath-ad2000x-headphones-used","title":"Audio-Technica ATH-AD2000X Headphones - Excellent - Verified by HiFiLoop","description":"\u003cdiv\u003e\n  \u003ch2\u003eThe Audiophile's Hook\u003c\/h2\u003e\n  \u003cp\u003e\n    The Audio-Technica ATH-AD2000X is a legendary open-back dynamic headphone built for speed, air, and “front-row” immediacy.\n    This unit is Excellent (98% new): reference-tier performance at used-market value, verified by HiFiLoop.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eCondition Report (The Truth)\u003c\/h2\u003e\n  \u003cp\u003e\u003cstrong\u003eExcellent \/ Well-Cared For:\u003c\/strong\u003e Very clean overall, lightly used, and handled with care.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eUser manual is NOT included.\u003c\/li\u003e\n    \u003cli\u003eBox and accessories are included as shown in the listing photos.\u003c\/li\u003e\n    \u003cli\u003eNo obvious cosmetic defects observed.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cstrong\u003eMandatory:\u003c\/strong\u003e The device has passed all functional tests.\u003c\/p\u003e\n\n  \u003ch2\u003eSonic Signature \u0026amp; Pairing\u003c\/h2\u003e\n  \u003cp\u003e\n    ATH-AD2000X is often chosen for its fast transients, open staging, and an engaging midrange that brings vocals and strings forward with clarity.\n    Give it a clean, capable chain and it scales—better control, deeper layering, and a more stable image.\n  \u003c\/p\u003e\n  \u003cp\u003e\n    To unleash the full potential of this device, we recommend pairing it with gear from our \u003ca href=\"\/collections\/amplifiers-dacs\"\u003eAmplifiers \u0026amp; DACs Collection\u003c\/a\u003e.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eTechnical Highlights (Mobile-Table)\u003c\/h2\u003e\n  \u003ctable style=\"width:100%; border-collapse: collapse;\"\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eOpen-back dynamic headphone\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eDriver\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e53mm dynamic driver\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eImpedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e40Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eSensitivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e103 dB\/mW\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e5 – 45,000 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eCable \/ Plug\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e3.0m cable; 3.5mm plug; detachable 6.3mm adapter (model accessory)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e265 g\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\n  \u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eAudio-Technica ATH-AD2000X headphones\u003c\/li\u003e\n    \u003cli\u003eRetail box + accessories (as shown in photos)\u003c\/li\u003e\n    \u003cli\u003eNot included: user manual\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eWhy Buy Used from HiFiLoop?\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e✅ 14-Day DOA: Full refund\/replace if dead on arrival.\u003c\/li\u003e\n    \u003cli\u003e🔧 180-Day Warranty: Free repair service (buyer pays return shipping).\u003c\/li\u003e\n    \u003cli\u003e🔬 Lab Tested: I\/O, noise floor, channel balance verified.\u003c\/li\u003e\n    \u003cli\u003e📦 Free Shipping: Orders over $199.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cstrong\u003eSee full Grading Scale in Footer Condition Guide.\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eCTA:\u003c\/strong\u003e Missed this? Contact “Help Me Find Gear”.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"HiFiLoop","offers":[{"title":"Default Title","offer_id":47614643044566,"sku":null,"price":379.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/Used_Audio-Technica_ATH-AD2000X_open-back_headphones_in_Excellent_condition_-_product_photo.jpg?v=1765962808"},{"product_id":"westone-w60-iem-used","title":"Westone W60 IEM - Good - Verified by HiFiLoop","description":"\u003cdiv\u003e\n  \u003ch2\u003eThe Audiophile's Hook\u003c\/h2\u003e\n  \u003cp\u003e\n    The Westone W60 is a classic multi-BA flagship built for effortless detail and long-session comfort—an IEM that stays smooth, controlled, and “studio-clean” without sounding sterile.\n    This listing is a high-value way to get a proven reference-tier tuning at used-market pricing, verified by HiFiLoop.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eCondition Report (The Truth)\u003c\/h2\u003e\n  \u003cp\u003e\u003cstrong\u003eGood \/ Workhorse Condition:\u003c\/strong\u003e Light cosmetic wear may be present, but the sound is the priority—strong value for daily listening.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eWhat you see is what you get: box and accessories are included exactly as shown in the listing photos.\u003c\/li\u003e\n    \u003cli\u003eNo obvious cosmetic defects observed.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cstrong\u003eMandatory:\u003c\/strong\u003e The device has passed all functional tests.\u003c\/p\u003e\n\n  \u003ch2\u003eSonic Signature \u0026amp; Pairing\u003c\/h2\u003e\n  \u003cp\u003e\n    W60 is known for a balanced, articulate presentation with strong layering and an easy, non-fatiguing flow—great for vocals, acoustic, and long streaming sessions.\n    Give it a clean source and it rewards you with better separation, tighter control, and a “blacker” background.\n  \u003c\/p\u003e\n  \u003cp\u003e\n    To unleash the full potential of this device, we recommend pairing it with gear from our \u003ca href=\"\/collections\/digital-audio-players\"\u003eDigital Audio Players Collection\u003c\/a\u003e.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eTechnical Highlights (Mobile-Table)\u003c\/h2\u003e\n  \u003ctable style=\"width:100%; border-collapse: collapse;\"\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eDriver Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eSix balanced-armature drivers with 3-way passive crossover\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eImpedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e25Ω @ 1kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eSensitivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e117 dB SPL @ 1mW\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e10 Hz – 20 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003ePassive Noise Attenuation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e25 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eDetachable Cable Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eMMCX (user-replaceable)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\n  \u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eWestone W60 in-ear monitors\u003c\/li\u003e\n    \u003cli\u003eBox and accessories (as shown in listing photos)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eWhy Buy Used from HiFiLoop?\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e✅ 14-Day DOA: Full refund\/replace if dead on arrival.\u003c\/li\u003e\n    \u003cli\u003e🔧 180-Day Warranty: Free repair service (buyer pays return shipping).\u003c\/li\u003e\n    \u003cli\u003e🔬 Lab Tested: I\/O, noise floor, channel balance verified.\u003c\/li\u003e\n    \u003cli\u003e📦 Free Shipping: Orders over $199.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cstrong\u003eSee full Grading Scale in Footer Condition Guide.\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eCTA:\u003c\/strong\u003e Missed this? Contact “Help Me Find Gear”.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"HiFiLoop","offers":[{"title":"Default Title","offer_id":47614650712278,"sku":null,"price":169.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/Used_Westone_W60_in-ear_monitors_in_Good_condition_-_product_photo.jpg?v=1765963077"},{"product_id":"shanling-m1-plus-dap-used","title":"Shanling M1 Plus DAP - Mint - Verified by HiFiLoop","description":"\u003cdiv\u003e\n  \u003ch2\u003eThe Audiophile's Hook\u003c\/h2\u003e\n  \u003cp\u003e\n    Shanling M1 Plus is a pocket DAP with a “small body, big system” mindset: fast MTouch OS, Wi-Fi streaming support, and real drive from both 3.5mm and 4.4mm outputs.\n    This unit is Mint (99% new), full set, and includes a leather case—high performance \/ high value, verified by HiFiLoop.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eCondition Report (The Truth)\u003c\/h2\u003e\n  \u003cp\u003e\u003cstrong\u003eMint \/ Collector Quality:\u003c\/strong\u003e Like new with minimal handling marks.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eLeather case included.\u003c\/li\u003e\n    \u003cli\u003eFull retail set included (box\/accessories as pictured).\u003c\/li\u003e\n    \u003cli\u003eNo obvious cosmetic defects observed.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cstrong\u003eMandatory:\u003c\/strong\u003e The device has passed all functional tests.\u003c\/p\u003e\n\n  \u003ch2\u003eSonic Signature \u0026amp; Pairing\u003c\/h2\u003e\n  \u003cp\u003e\n    M1 Plus is built for clean, punchy portable listening with enough headroom to scale beyond “basic entry DAP” expectations—especially from the 4.4mm balanced output.\n    If you want a compact streamer\/player that stays musical and controlled, it’s an easy win for daily carry.\n  \u003c\/p\u003e\n  \u003cp\u003e\n    To unleash the full potential of this device, we recommend pairing it with gear from our \u003ca href=\"\/collections\/in-ear-monitors\"\u003eIn-Ear Monitors Collection\u003c\/a\u003e.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eTechnical Highlights (Mobile-Table)\u003c\/h2\u003e\n  \u003ctable style=\"width:100%; border-collapse: collapse;\"\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003ePlatform \/ OS\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eIngenic X2000 + Shanling MTouch system\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eDAC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eESS ES9069Q\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eOutputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e3.5mm single-ended (also supports coaxial S\/PDIF out) + 4.4mm balanced\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eWireless\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eWi-Fi (DLNA \/ AirPlay); bi-directional Bluetooth 5.2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eBattery \/ Runtime\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e2100mAh; up to ~12.5 hours (use-dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eUp to 195mW @ 32Ω (3.5mm) \/ 660mW @ 32Ω (4.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\n  \u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eShanling M1 Plus Digital Audio Player\u003c\/li\u003e\n    \u003cli\u003eLeather case\u003c\/li\u003e\n    \u003cli\u003eFull retail box and accessories (as pictured)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eWhy Buy Used from HiFiLoop?\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e✅ 14-Day DOA: Full refund\/replace if dead on arrival.\u003c\/li\u003e\n    \u003cli\u003e🔧 180-Day Warranty: Free repair service (buyer pays return shipping).\u003c\/li\u003e\n    \u003cli\u003e🔬 Lab Tested: I\/O, noise floor, channel balance verified.\u003c\/li\u003e\n    \u003cli\u003e📦 Free Shipping: Orders over $199.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cstrong\u003eSee full Grading Scale in Footer Condition Guide.\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eCTA:\u003c\/strong\u003e Missed this? Contact “Help Me Find Gear”.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"HiFiLoop","offers":[{"title":"Default Title","offer_id":47614660903126,"sku":null,"price":139.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/Used_Shanling_M1_Plus_digital_audio_player_in_Mint_condition_-_product_photo.jpg?v=1765963609"},{"product_id":"shanling-h5-portable-dac-amp-used","title":"Shanling H5 Portable DAC\/Amp - Excellent - Verified by HiFiLoop","description":"\u003cdiv\u003e\n  \u003ch2\u003eThe Audiophile's Hook\u003c\/h2\u003e\n  \u003cp\u003e\n    Shanling H5 is a true “portable stack killer”: dual AKM DACs, serious balanced power, and a signature tuned for warm, smooth musical flow rather than sterile sharpness.\n    This unit is Excellent (98% new), includes a leather case, and comes as a full set as pictured—high performance, high value, verified by HiFiLoop.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eCondition Report (The Truth)\u003c\/h2\u003e\n  \u003cp\u003e\u003cstrong\u003eExcellent \/ Well-Cared For:\u003c\/strong\u003e Very clean overall, lightly used, and handled with care.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eLeather case included.\u003c\/li\u003e\n    \u003cli\u003eBox and accessories included as shown in the listing photos.\u003c\/li\u003e\n    \u003cli\u003eNo obvious cosmetic defects observed.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cstrong\u003eMandatory:\u003c\/strong\u003e The device has passed all functional tests.\u003c\/p\u003e\n\n  \u003ch2\u003eSonic Signature \u0026amp; Pairing\u003c\/h2\u003e\n  \u003cp\u003e\n    Inspired by Shanling’s warm-and-smooth house sound, H5 is built for long sessions: solid dynamics, stable imaging, and an easy, musical presentation.\n    Use the 4.4mm balanced output when you want maximum headroom and control, especially with full-size headphones.\n  \u003c\/p\u003e\n  \u003cp\u003e\n    To unleash the full potential of this device, we recommend pairing it with gear from our \u003ca href=\"\/collections\/headphones\"\u003eHeadphones Collection\u003c\/a\u003e.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eTechnical Highlights (Mobile-Table)\u003c\/h2\u003e\n  \u003ctable style=\"width:100%; border-collapse: collapse;\"\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eDAC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eDual AKM AK4493SEQ\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eOutput Power (32Ω)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eUp to 840mW (4.4mm balanced) \/ 227mW (3.5mm single-ended)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eOutputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e3.5mm single-ended + 4.4mm balanced\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eWireless\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eBluetooth 5.0 receiver; LDAC \/ AAC \/ SBC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eHi-Res Support (USB)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eUp to 32-bit\/768kHz; DSD512; MQA Full Decoder\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eBattery \/ Charging\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e3500mAh; QC3.0 fast charging (18W)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\n  \u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eShanling H5 portable DAC\/amp\u003c\/li\u003e\n    \u003cli\u003eLeather case\u003c\/li\u003e\n    \u003cli\u003eBox and accessories (as shown in listing photos)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eWhy Buy Used from HiFiLoop?\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e✅ 14-Day DOA: Full refund\/replace if dead on arrival.\u003c\/li\u003e\n    \u003cli\u003e🔧 180-Day Warranty: Free repair service (buyer pays return shipping).\u003c\/li\u003e\n    \u003cli\u003e🔬 Lab Tested: I\/O, noise floor, channel balance verified.\u003c\/li\u003e\n    \u003cli\u003e📦 Free Shipping: Orders over $199.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cstrong\u003eSee full Grading Scale in Footer Condition Guide.\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eCTA:\u003c\/strong\u003e Missed this? Contact “Help Me Find Gear”.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"HiFiLoop","offers":[{"title":"Default Title","offer_id":47614663950550,"sku":null,"price":219.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/shanling-h5-portable-dac-amp-feature_1.jpg?v=1765963892"},{"product_id":"fiio-m21-dap-used","title":"FiiO M21 DAP - Excellent - Verified by HiFiLoop","description":"\u003cdiv\u003e\n  \u003ch2\u003eThe Audiophile's Hook\u003c\/h2\u003e\n  \u003cp\u003e\n    The FiiO M21 is the “pocket powerhouse” DAP: a modern Android player with quad Cirrus Logic DACs, serious balanced output, and a clean, controlled presentation that scales with better IEMs.\n    This unit is Excellent (98% new), includes a leather case, and comes as a full set—high performance \/ high value, verified by HiFiLoop.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eCondition Report (The Truth)\u003c\/h2\u003e\n  \u003cp\u003e\u003cstrong\u003eExcellent \/ Well-Cared For:\u003c\/strong\u003e Very clean overall, lightly used, and handled with care.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eOne small dark mark (cosmetic).\u003c\/li\u003e\n    \u003cli\u003eOtherwise very clean condition.\u003c\/li\u003e\n    \u003cli\u003eLeather case included.\u003c\/li\u003e\n    \u003cli\u003eBox and accessories included as shown in the listing photos.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cstrong\u003eMandatory:\u003c\/strong\u003e The device has passed all functional tests.\u003c\/p\u003e\n\n  \u003ch2\u003eSonic Signature \u0026amp; Pairing\u003c\/h2\u003e\n  \u003cp\u003e\n    M21 is built to sound crisp, stable, and energetic with strong separation—especially through the 4.4mm balanced output when you want maximum control and headroom.\n    For the most noticeable upgrade, pair it with resolving, easy-to-drive IEMs and let the background get darker while detail pops forward.\n  \u003c\/p\u003e\n  \u003cp\u003e\n    To unleash the full potential of this device, we recommend pairing it with gear from our \u003ca href=\"\/collections\/in-ear-monitors\"\u003eIn-Ear Monitors Collection\u003c\/a\u003e.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eTechnical Highlights (Mobile-Table)\u003c\/h2\u003e\n  \u003ctable style=\"width:100%; border-collapse: collapse;\"\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eSoC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eQualcomm Snapdragon 680\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eDAC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eCS43198 × 4\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e4.7\" (750×1334)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eStorage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e64GB internal; microSD up to 2TB (theoretical)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eOutputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e3.5mm PO\/LO (shared) + 4.4mm BAL PO\/LO (shared); 3.5mm coax out (shared)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eWireless\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eWi-Fi 2.4\/5GHz; Bluetooth 5.0 (TX: AAC\/SBC\/aptX\/aptX HD\/LDAC\/LHDC; RX: SBC\/AAC\/LDAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eBattery Life (Tested)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eUp to 15h (3.5mm) \/ 12.5h (4.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\n  \u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eFiiO M21 Digital Audio Player\u003c\/li\u003e\n    \u003cli\u003eLeather case\u003c\/li\u003e\n    \u003cli\u003eFull retail box and accessories (as shown in photos)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eWhy Buy Used from HiFiLoop?\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e✅ 14-Day DOA: Full refund\/replace if dead on arrival.\u003c\/li\u003e\n    \u003cli\u003e🔧 180-Day Warranty: Free repair service (buyer pays return shipping).\u003c\/li\u003e\n    \u003cli\u003e🔬 Lab Tested: I\/O, noise floor, channel balance verified.\u003c\/li\u003e\n    \u003cli\u003e📦 Free Shipping: Orders over $199.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cstrong\u003eSee full Grading Scale in Footer Condition Guide.\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eCTA:\u003c\/strong\u003e Missed this? Contact “Help Me Find Gear”.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"HiFiLoop","offers":[{"title":"Default Title","offer_id":47614676074710,"sku":null,"price":299.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/Used_FiiO_M21_digital_audio_player_in_Excellent_condition_-_product_photo.jpg?v=1765964526"},{"product_id":"smsl-pl200t-mqa-cd-transport-used","title":"SMSL PL200T MQA-CD Transport - Excellent - Verified by HiFiLoop","description":"\u003cdiv\u003e\n  \u003ch2\u003eThe Audiophile's Hook\u003c\/h2\u003e\n  \u003cp\u003e\n    The SMSL PL200T is a modern MQA-CD transport built for serious digital front-end systems: precision servo control, low-jitter clocking, and multiple digital outputs to feed your favorite external DAC.\n    This unit is Excellent (98% new), full set, with one small cosmetic scuff—reference-grade performance at used-market value, verified by HiFiLoop.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eCondition Report (The Truth)\u003c\/h2\u003e\n  \u003cp\u003e\u003cstrong\u003eExcellent \/ Well-Cared For:\u003c\/strong\u003e Very clean overall, lightly used, and handled with care.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eOne small scuff (cosmetic).\u003c\/li\u003e\n    \u003cli\u003eFull set included (box\/accessories as shown in the listing photos).\u003c\/li\u003e\n    \u003cli\u003eNo other obvious cosmetic defects observed.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cstrong\u003eMandatory:\u003c\/strong\u003e The device has passed all functional tests.\u003c\/p\u003e\n\n  \u003ch2\u003eSonic Signature \u0026amp; Pairing\u003c\/h2\u003e\n  \u003cp\u003e\n    A great transport isn’t about “adding flavor”—it’s about stability: tighter timing, cleaner edges, and a more confident image when your DAC and system are resolving enough.\n    With PL200T’s clock support and output flexibility, it’s an easy way to build a serious physical-media front end without the bulk of a full-size CD rig.\n  \u003c\/p\u003e\n  \u003cp\u003e\n    To unleash the full potential of this device, we recommend pairing it with gear from our \u003ca href=\"\/collections\/amplifiers-dacs\"\u003eAmplifiers \u0026amp; DACs Collection\u003c\/a\u003e.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eTechnical Highlights (Mobile-Table)\u003c\/h2\u003e\n  \u003ctable style=\"width:100%; border-collapse: collapse;\"\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eMQA-CD Transport (digital outputs to external DAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eCore System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eSelf-developed P.A.S.S. (Precision Access Servo System); native MQA-CD support\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eDigital Outputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eOptical \/ Coaxial \/ I2S \/ AES\/EBU\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eClock Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eWord clock (44.1kHz) + 10MHz clock input; selectable 50Ω \/ 75Ω input impedance\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eI2S Output Rates\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003ePCM 44.1–768kHz; DSD 2.8224–22.5792MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eS\/PDIF \/ AES Rates\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003ePCM up to 24-bit\/192kHz; MQA up to 8× (S\/PDIF limited)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\n  \u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eSMSL PL200T MQA-CD Transport\u003c\/li\u003e\n    \u003cli\u003eFull retail box and accessories (as shown in listing photos)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eWhy Buy Used from HiFiLoop?\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e✅ 14-Day DOA: Full refund\/replace if dead on arrival.\u003c\/li\u003e\n    \u003cli\u003e🔧 180-Day Warranty: Free repair service (buyer pays return shipping).\u003c\/li\u003e\n    \u003cli\u003e🔬 Lab Tested: I\/O integrity and channel stability verified.\u003c\/li\u003e\n    \u003cli\u003e📦 Free Shipping: Orders over $199.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cstrong\u003eSee full Grading Scale in Footer Condition Guide.\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eCTA:\u003c\/strong\u003e Missed this? Contact “Help Me Find Gear”.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"HiFiLoop","offers":[{"title":"Default Title","offer_id":47614684037334,"sku":null,"price":359.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/Used_SMSL_PL200T_MQA-CD_transport_in_Excellent_condition_-_product_photo.jpg?v=1765964885"},{"product_id":"edifier-stax-spirit-s5-headphones-used","title":"Edifier STAX SPIRIT S5 Wireless Headphones - Mint - Verified by HiFiLoop","description":"\u003cdiv\u003e\n  \u003ch2\u003eThe Audiophile's Hook\u003c\/h2\u003e\n  \u003cp\u003e\n    STAX SPIRIT S5 is the rare thing: a true wireless planar headphone built for “detail-first” listening without giving up everyday convenience.\n    This unit is Mint (99% new) and includes the full retail set—serious performance-per-dollar, verified by HiFiLoop.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eCondition Report (The Truth)\u003c\/h2\u003e\n  \u003cp\u003e\u003cstrong\u003eMint \/ Collector Quality:\u003c\/strong\u003e Like new with minimal handling marks.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eNo obvious cosmetic defects observed.\u003c\/li\u003e\n    \u003cli\u003eFull retail set included (box and accessories as shown in the listing photos).\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cstrong\u003eMandatory:\u003c\/strong\u003e The device has passed all functional tests.\u003c\/p\u003e\n\n  \u003ch2\u003eSonic Signature \u0026amp; Pairing\u003c\/h2\u003e\n  \u003cp\u003e\n    S5 is built around planar speed and separation, aiming to uncover fine details while staying engaging and energetic. It also supports multiple high-quality Bluetooth codecs for modern hi-res wireless chains.\n    If you prefer wired listening, S5 supports USB-C and AUX connections for flexible setups.\n  \u003c\/p\u003e\n  \u003cp\u003e\n    To unleash the full potential of this device, we recommend pairing it with gear from our \u003ca href=\"\/collections\/amplifiers-dacs\"\u003eAmplifiers \u0026amp; DACs Collection\u003c\/a\u003e.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eTechnical Highlights (Mobile-Table)\u003c\/h2\u003e\n  \u003ctable style=\"width:100%; border-collapse: collapse;\"\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eBluetooth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eBluetooth 5.4\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003ePlaytime\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eAround 80 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e10Hz–40kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eAudio Codecs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eSnapdragon Sound, aptX Lossless\/Adaptive\/HD, LHDC, LDAC, SBC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e347g\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eCharging Port\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eUSB-C (Type-C)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\n  \u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eEdifier STAX SPIRIT S5 headphones\u003c\/li\u003e\n    \u003cli\u003eFull retail packaging and accessories (as shown in listing photos)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eWhy Buy Used from HiFiLoop?\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e✅ 14-Day DOA: Full refund\/replace if dead on arrival.\u003c\/li\u003e\n    \u003cli\u003e🔧 180-Day Warranty: Free repair service (buyer pays return shipping).\u003c\/li\u003e\n    \u003cli\u003e🔬 Lab Tested: Connectivity, channel balance, and basic functional integrity verified.\u003c\/li\u003e\n    \u003cli\u003e📦 Free Shipping: On orders over $199.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cstrong\u003eSee full Grading Scale in Footer Condition Guide.\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eCTA:\u003c\/strong\u003e Missed this? Contact “Help Me Find Gear”.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"HiFiLoop","offers":[{"title":"Default Title","offer_id":47614691868886,"sku":null,"price":279.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/Used_Edifier_STAX_SPIRIT_S5_wireless_planar_headphones_in_Mint_condition_-_product_photo.jpg?v=1765965185"},{"product_id":"used-open-box-ifi-xdsd-gryphon-portable-dac-amp","title":"Used \/ Open-Box iFi audio xDSD Gryphon Portable DAC\/AMP","description":"\u003csection\u003e\n\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThe iFi audio xDSD Gryphon is a Portable DAC\/AMP for connecting digital sources to headphones or compact audio systems. HiFiLoop uses this page as a focused model page for used \/ open-box private-quote requests.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePortable DAC\/AMP with balanced 4.4mm and S-Balanced 3.5mm headphone outputs.\u003c\/li\u003e\n\u003cli\u003eUSB-C, S\/PDIF, and Bluetooth input paths support portable and desktop listening setups.\u003c\/li\u003e\n\u003cli\u003eHi-res playback support includes PCM 768 kHz, DSD512, DXD, and full MQA decoding over supported inputs.\u003c\/li\u003e\n\u003cli\u003eBalanced output delivers more than 1000mW at 32 ohms.\u003c\/li\u003e\n\u003cli\u003eOLED display and onboard controls support quick setting changes in portable use.\u003c\/li\u003e\n\u003cli\u003eCompact portable chassis makes it practical for desk, travel, or bedside headphone setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003ePortable DAC\/AMP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDigital inputs\u003c\/th\u003e\n\u003ctd\u003eUSB-C, S\/PDIF, Bluetooth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupported formats\u003c\/th\u003e\n\u003ctd\u003ePCM up to 768 kHz; DSD512; DXD; full MQA decoding over supported inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeadphone outputs\u003c\/th\u003e\n\u003ctd\u003e4.4mm balanced; 3.5mm S-Balanced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput power\u003c\/th\u003e\n\u003ctd\u003eBalanced \u0026gt;1000mW @ 32 ohms; S-Balanced \u0026gt;320mW @ 32 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions \/ weight\u003c\/th\u003e\n\u003ctd\u003e123 x 75 x 19 mm; 215 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSeries \/ category notes\u003c\/h2\u003e\n\u003cp\u003eThe xDSD Gryphon sits in the iFi x Series and fits the Portable audio converters and amplifiers category, making it relevant for buyers comparing Portable DAC\/AMP options in similar listening setups.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eCondition \u0026amp; availability\u003c\/h2\u003e\n\u003cp\u003eThis is a used \/ open-box reference listing.\u003c\/p\u003e\n\u003cp\u003eFinal pricing, condition, accessories, and availability are confirmed case by case.\u003c\/p\u003e\n\u003cp\u003eFor this Portable DAC\/AMP unit, HiFiLoop checks functional status, cosmetic condition, included accessories, version details, photos, and known limitations before quoting. Where relevant, battery behavior, charging, controls, ports, and connectivity are reviewed for the specific unit being offered.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eShipping \u0026amp; support\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3–5 business days processing after confirmation\u003c\/li\u003e\n\u003cli\u003e7–15 days typical international shipping\u003c\/li\u003e\n\u003cli\u003eFree shipping over $199\u003c\/li\u003e\n\u003cli\u003e14-day DOA support\u003c\/li\u003e\n\u003cli\u003eRepair path from day 15 to day 180\u003c\/li\u003e\n\u003cli\u003eBuyer may be responsible for return shipping, taxes, and duties\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat does Reference price mean?\u003c\/h3\u003e\n\u003cp\u003eReference price is a planning guide, not a final selling price. Final terms are confirmed with the exact unit.\u003c\/p\u003e\n\u003ch3\u003eIs this exact unit ready to ship?\u003c\/h3\u003e\n\u003cp\u003eThis page identifies the model, not a guaranteed ready-to-ship unit. Timing is confirmed during the quote process.\u003c\/p\u003e\n\u003ch3\u003eCan HiFiLoop help me find another unit?\u003c\/h3\u003e\n\u003cp\u003eYes. Share your preferred condition, accessories, budget range, and region so HiFiLoop can look for another suitable used \/ open-box option.\u003c\/p\u003e\n\u003c\/section\u003e\n\n","brand":"iFi audio","offers":[{"title":"Default Title","offer_id":48270821654742,"sku":null,"price":279.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/O1CN01pasd4J23CMKk0wBmZ__2573887219.png?v=1779111174"},{"product_id":"ibasso艾巴索昆仑全平衡耳放kunlun","title":"Used \/ Open-Box iBasso Kunlun Desktop Headphone Amplifier","description":"\u003csection\u003e\n\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThe iBasso Kunlun is a Desktop Headphone Amplifier for driving headphones or supporting a dedicated audio chain. HiFiLoop uses this page as a focused model page for used \/ open-box private-quote requests.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesktop headphone amplifier with fully discrete Class A amplification.\u003c\/li\u003e\n\u003cli\u003eAmplification circuit uses 16 custom bipolar transistors.\u003c\/li\u003e\n\u003cli\u003eBalanced and single-ended line\/pre inputs support pairing with external DACs or preamp sources.\u003c\/li\u003e\n\u003cli\u003eBalanced 4.4mm and single-ended 6.35mm \/ 3.5mm headphone outputs support different headphone cables.\u003c\/li\u003e\n\u003cli\u003eBalanced output power reaches 3000mW at 32 ohms for demanding headphone pairings.\u003c\/li\u003e\n\u003cli\u003eTitanium chassis design supports a solid desktop amplifier profile.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eDesktop Headphone Amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAmplification architecture\u003c\/th\u003e\n\u003ctd\u003eFully discrete Class A; 16 custom bipolar transistors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInputs\u003c\/th\u003e\n\u003ctd\u003e4.4mm balanced Line-in \/ Pre-in; 3.5mm single-ended Line-in \/ Pre-in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutputs\u003c\/th\u003e\n\u003ctd\u003e4.4mm balanced headphone; 6.35mm single-ended headphone; 3.5mm single-ended headphone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrequency response\u003c\/th\u003e\n\u003ctd\u003e10Hz-50kHz +\/-0.5dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput power\u003c\/th\u003e\n\u003ctd\u003eBalanced 3000mW @ 32 ohms; single-ended 1200mW @ 32 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVoltage output\u003c\/th\u003e\n\u003ctd\u003eBalanced 23.6Vrms; single-ended 11.8Vrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e4.1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSeries \/ category notes\u003c\/h2\u003e\n\u003cp\u003eThe Kunlun sits in the iBasso Kunlun Series and fits the Audio amplifiers category, making it relevant for buyers comparing Desktop Headphone Amplifier options in similar listening setups.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eCondition \u0026amp; availability\u003c\/h2\u003e\n\u003cp\u003eThis is a used \/ open-box reference listing.\u003c\/p\u003e\n\u003cp\u003eFinal pricing, condition, accessories, and availability are confirmed case by case.\u003c\/p\u003e\n\u003cp\u003eFor this Desktop Headphone Amplifier unit, HiFiLoop checks functional status, cosmetic condition, included accessories, version details, photos, and known limitations before quoting. Where relevant, battery behavior, charging, controls, ports, and connectivity are reviewed for the specific unit being offered.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eShipping \u0026amp; support\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3–5 business days processing after confirmation\u003c\/li\u003e\n\u003cli\u003e7–15 days typical international shipping\u003c\/li\u003e\n\u003cli\u003eFree shipping over $199\u003c\/li\u003e\n\u003cli\u003e14-day DOA support\u003c\/li\u003e\n\u003cli\u003eRepair path from day 15 to day 180\u003c\/li\u003e\n\u003cli\u003eBuyer may be responsible for return shipping, taxes, and duties\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat does Reference price mean?\u003c\/h3\u003e\n\u003cp\u003eReference price is a planning guide, not a final selling price. Final terms are confirmed with the exact unit.\u003c\/p\u003e\n\u003ch3\u003eIs this exact unit ready to ship?\u003c\/h3\u003e\n\u003cp\u003eThis page identifies the model, not a guaranteed ready-to-ship unit. Timing is confirmed during the quote process.\u003c\/p\u003e\n\u003ch3\u003eCan HiFiLoop help me find another unit?\u003c\/h3\u003e\n\u003cp\u003eYes. Share your preferred condition, accessories, budget range, and region so HiFiLoop can look for another suitable used \/ open-box option.\u003c\/p\u003e\n\u003c\/section\u003e\n\n","brand":"iBasso","offers":[{"title":"Default Title","offer_id":48275924943062,"sku":null,"price":519.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/O1CN01f8IURK23CMJREt0dr__2573887219.png?v=1779239161"},{"product_id":"水月雨和鸣harmon","title":"Used \/ Open-Box MOONDROP HARMON IEM","description":"\u003csection\u003e\n\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThe MOONDROP HARMON is an IEM for compact in-ear listening with portable audio gear. HiFiLoop uses this page as a focused model page for used \/ open-box private-quote requests.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHybrid in-ear monitor architecture with dual dynamic drivers and one annular planar magnetic driver.\u003c\/li\u003e\n\u003cli\u003e13mm LCP dynamic driver, 10mm annular dynamic driver, and 6mm annular planar magnetic driver layout.\u003c\/li\u003e\n\u003cli\u003eDesigned for wired portable listening where driver configuration, fit, and source matching matter.\u003c\/li\u003e\n\u003cli\u003eCompact IEM form factor for everyday listening, portable DAC\/AMP pairing, and desktop source use.\u003c\/li\u003e\n\u003cli\u003eHARMON sits in MOONDROP's XTM in-ear monitor family.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eIEM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDriver architecture\u003c\/th\u003e\n\u003ctd\u003e2 dynamic drivers + 1 annular planar magnetic driver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDrivers\u003c\/th\u003e\n\u003ctd\u003e13mm LCP diaphragm dynamic driver; 10mm annular dynamic driver; 6mm annular planar magnetic driver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eImpedance\u003c\/th\u003e\n\u003ctd\u003e31 ohms +\/-15%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSensitivity\u003c\/th\u003e\n\u003ctd\u003e96 dB\/Vrms @ 1 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003ctd\u003eWired in-ear monitor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSeries \/ category notes\u003c\/h2\u003e\n\u003cp\u003eThe HARMON sits in the MOONDROP XTM Series and fits the In-ear headphones category, making it relevant for buyers comparing IEM options in similar listening setups.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eCondition \u0026amp; availability\u003c\/h2\u003e\n\u003cp\u003eThis is a used \/ open-box reference listing.\u003c\/p\u003e\n\u003cp\u003eFinal pricing, condition, accessories, and availability are confirmed case by case.\u003c\/p\u003e\n\u003cp\u003eFor this IEM set, HiFiLoop checks functional status, cosmetic condition, included accessories, version details, photos, and known limitations before quoting. Where relevant, battery behavior, charging, controls, ports, and connectivity are reviewed for the specific unit being offered.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eShipping \u0026amp; support\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3–5 business days processing after confirmation\u003c\/li\u003e\n\u003cli\u003e7–15 days typical international shipping\u003c\/li\u003e\n\u003cli\u003eFree shipping over $199\u003c\/li\u003e\n\u003cli\u003e14-day DOA support\u003c\/li\u003e\n\u003cli\u003eRepair path from day 15 to day 180\u003c\/li\u003e\n\u003cli\u003eBuyer may be responsible for return shipping, taxes, and duties\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat does Reference price mean?\u003c\/h3\u003e\n\u003cp\u003eReference price is a planning guide, not a final selling price. Final terms are confirmed with the exact unit.\u003c\/p\u003e\n\u003ch3\u003eIs this exact unit ready to ship?\u003c\/h3\u003e\n\u003cp\u003eThis page identifies the model, not a guaranteed ready-to-ship unit. Timing is confirmed during the quote process.\u003c\/p\u003e\n\u003ch3\u003eCan HiFiLoop help me find another unit?\u003c\/h3\u003e\n\u003cp\u003eYes. Share your preferred condition, accessories, budget range, and region so HiFiLoop can look for another suitable used \/ open-box option.\u003c\/p\u003e\n\u003c\/section\u003e\n\n","brand":"MOONDROP","offers":[{"title":"Default Title","offer_id":48275927826646,"sku":null,"price":169.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/O1CN01cIHCdp23CML4WCoaN__2573887219.jpg?v=1779239389"},{"product_id":"山灵m7t-无损hifi音乐播放器","title":"Used \/ Open-Box Shanling M7T DAP","description":"\u003csection\u003e\n\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThe Shanling M7T is a DAP for portable headphone listening and dedicated music playback. HiFiLoop uses this page as a focused model page for used \/ open-box private-quote requests.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAndroid-based DAP platform with Snapdragon 665, 6GB RAM, and 128GB internal storage.\u003c\/li\u003e\n\u003cli\u003eAKM AK4498EX and AK4191EQ DAC architecture for portable high-resolution playback.\u003c\/li\u003e\n\u003cli\u003eSwitchable transistor and tube output modes with a dedicated tube stage.\u003c\/li\u003e\n\u003cli\u003eBluetooth 5.0 and dual-band Wi-Fi support for portable streaming and local-library use.\u003c\/li\u003e\n\u003cli\u003eMicroSD expansion and a large 7000mAh battery capacity support longer listening sessions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eDAP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePlatform\u003c\/th\u003e\n\u003ctd\u003eAndroid 13; Qualcomm Snapdragon 665\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDAC architecture\u003c\/th\u003e\n\u003ctd\u003eAKM AK4498EX DAC with AK4191EQ modulator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAnalog stage\u003c\/th\u003e\n\u003ctd\u003eTransistor output mode and tube output mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDisplay\u003c\/th\u003e\n\u003ctd\u003e5-inch 1920 x 1080 touchscreen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMemory \/ storage\u003c\/th\u003e\n\u003ctd\u003e6GB RAM; 128GB internal storage; MicroSD expansion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWireless\u003c\/th\u003e\n\u003ctd\u003eBluetooth 5.0; 2.4GHz \/ 5GHz Wi-Fi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBattery \/ charging\u003c\/th\u003e\n\u003ctd\u003e7000mAh battery; USB-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions \/ weight\u003c\/th\u003e\n\u003ctd\u003e129 x 78 x 20 mm; 320.8 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSeries \/ category notes\u003c\/h2\u003e\n\u003cp\u003eThe M7T sits in the Shanling M Series and fits the Portable media players category, making it relevant for buyers comparing DAP options in similar listening setups.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eCondition \u0026amp; availability\u003c\/h2\u003e\n\u003cp\u003eThis is a used \/ open-box reference listing.\u003c\/p\u003e\n\u003cp\u003eFinal pricing, condition, accessories, and availability are confirmed case by case.\u003c\/p\u003e\n\u003cp\u003eFor this DAP unit, HiFiLoop checks functional status, cosmetic condition, included accessories, version details, photos, and known limitations before quoting. Where relevant, battery behavior, charging, controls, ports, and connectivity are reviewed for the specific unit being offered.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eShipping \u0026amp; support\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3–5 business days processing after confirmation\u003c\/li\u003e\n\u003cli\u003e7–15 days typical international shipping\u003c\/li\u003e\n\u003cli\u003eFree shipping over $199\u003c\/li\u003e\n\u003cli\u003e14-day DOA support\u003c\/li\u003e\n\u003cli\u003eRepair path from day 15 to day 180\u003c\/li\u003e\n\u003cli\u003eBuyer may be responsible for return shipping, taxes, and duties\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat does Reference price mean?\u003c\/h3\u003e\n\u003cp\u003eReference price is a planning guide, not a final selling price. Final terms are confirmed with the exact unit.\u003c\/p\u003e\n\u003ch3\u003eIs this exact unit ready to ship?\u003c\/h3\u003e\n\u003cp\u003eThis page identifies the model, not a guaranteed ready-to-ship unit. Timing is confirmed during the quote process.\u003c\/p\u003e\n\u003ch3\u003eCan HiFiLoop help me find another unit?\u003c\/h3\u003e\n\u003cp\u003eYes. Share your preferred condition, accessories, budget range, and region so HiFiLoop can look for another suitable used \/ open-box option.\u003c\/p\u003e\n\u003c\/section\u003e\n\n","brand":"Shanling","offers":[{"title":"Default Title","offer_id":48275931070678,"sku":null,"price":809.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/O1CN01bvb3Nk23CMKcU00OA__2573887219.jpg?v=1779239500"},{"product_id":"欧尼士onix-xda20","title":"Used \/ Open-Box ONIX XDA20 Desktop DAC\/AMP","description":"\u003csection\u003e\n\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThe ONIX XDA20 is a Desktop DAC\/AMP for connecting digital sources to headphones or compact audio systems. HiFiLoop uses this page as a focused model page for used \/ open-box private-quote requests.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDual ESS ES9039Pro DAC architecture with eight OPA1611 op-amps in ONIX's Brighton I\/V conversion stage.\u003c\/li\u003e\n\u003cli\u003eDigital inputs include USB DAC, optical, coaxial RCA, BNC, AES\/EBU, and HDMI-I2S.\u003c\/li\u003e\n\u003cli\u003eAnalog outputs include RCA stereo, balanced XLR, and a 6.35 mm headphone output.\u003c\/li\u003e\n\u003cli\u003eUSB and I2S playback support up to PCM 768 kHz \/ 32-bit and DSD512.\u003c\/li\u003e\n\u003cli\u003eFPGA-assisted I2S pinout options support compatibility with different digital sources.\u003c\/li\u003e\n\u003cli\u003eCNC aluminum chassis with 3.4-inch touchscreen, remote control, and volume wheel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eDesktop DAC\/AMP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDAC architecture\u003c\/th\u003e\n\u003ctd\u003eDual ESS ES9039Pro DAC chips; eight OPA1611 op-amps in Brighton I\/V conversion stage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUSB receiver\u003c\/th\u003e\n\u003ctd\u003eXMOS XU316\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupported formats\u003c\/th\u003e\n\u003ctd\u003eUSB and I2S up to PCM 768 kHz \/ 32-bit and DSD512; SPDIF up to PCM 192 kHz \/ 24-bit and DoP64 \/ DSD64\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDigital inputs\u003c\/th\u003e\n\u003ctd\u003eUSB DAC, optical, coaxial RCA, BNC, AES\/EBU, HDMI-I2S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAnalog outputs\u003c\/th\u003e\n\u003ctd\u003eRCA stereo, balanced XLR, 6.35 mm headphone output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput level \/ power\u003c\/th\u003e\n\u003ctd\u003eRCA 2.1 V; XLR 4.2 V; headphone output up to 1620 mW @ 32 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions \/ weight\u003c\/th\u003e\n\u003ctd\u003e320 x 240 x 62 mm; 5.7 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower supply\u003c\/th\u003e\n\u003ctd\u003e15 W + 25 W Talema transformers with Vishay filter capacitors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSeries \/ category notes\u003c\/h2\u003e\n\u003cp\u003eThe XDA20 sits in the ONIX Zenith Series and fits the Audio converters category, making it relevant for buyers comparing Desktop DAC\/AMP options in similar listening setups.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eCondition \u0026amp; availability\u003c\/h2\u003e\n\u003cp\u003eThis is a used \/ open-box reference listing.\u003c\/p\u003e\n\u003cp\u003eFinal pricing, condition, accessories, and availability are confirmed case by case.\u003c\/p\u003e\n\u003cp\u003eFor this Desktop DAC\/AMP unit, HiFiLoop checks functional status, cosmetic condition, included accessories, version details, photos, and known limitations before quoting. Where relevant, battery behavior, charging, controls, ports, and connectivity are reviewed for the specific unit being offered.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eShipping \u0026amp; support\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3–5 business days processing after confirmation\u003c\/li\u003e\n\u003cli\u003e7–15 days typical international shipping\u003c\/li\u003e\n\u003cli\u003eFree shipping over $199\u003c\/li\u003e\n\u003cli\u003e14-day DOA support\u003c\/li\u003e\n\u003cli\u003eRepair path from day 15 to day 180\u003c\/li\u003e\n\u003cli\u003eBuyer may be responsible for return shipping, taxes, and duties\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat does Reference price mean?\u003c\/h3\u003e\n\u003cp\u003eReference price is a planning guide, not a final selling price. Final terms are confirmed with the exact unit.\u003c\/p\u003e\n\u003ch3\u003eIs this exact unit ready to ship?\u003c\/h3\u003e\n\u003cp\u003eThis page identifies the model, not a guaranteed ready-to-ship unit. Timing is confirmed during the quote process.\u003c\/p\u003e\n\u003ch3\u003eCan HiFiLoop help me find another unit?\u003c\/h3\u003e\n\u003cp\u003eYes. Share your preferred condition, accessories, budget range, and region so HiFiLoop can look for another suitable used \/ open-box option.\u003c\/p\u003e\n\u003c\/section\u003e\n\n","brand":"ONIX","offers":[{"title":"Default Title","offer_id":48275935559894,"sku":null,"price":2299.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/O1CN01OXaxbi23CMKTU6Ik7__2573887219.jpg?v=1779239647"},{"product_id":"used-open-box-fiio-r9-desktop-dac-amp-streamer","title":"Used \/ Open-Box FiiO R9 Desktop DAC\/AMP Streamer","description":"\u003csection\u003e\n\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThe FiiO R9 is a Desktop DAC\/AMP Streamer for connecting digital sources to headphones or compact audio systems. HiFiLoop uses this page as a focused model page for used \/ open-box private-quote requests.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesktop all-in-one digital media streamer, DAC, and headphone amplifier for desk and living-room audio systems.\u003c\/li\u003e\n\u003cli\u003eQualcomm Snapdragon 660 platform with dual ESS ES9038Pro DACs and 8-channel THX AAA 788+ amplification.\u003c\/li\u003e\n\u003cli\u003eAndroid, Pure Music, USB DAC, Bluetooth receiver, AirPlay, coaxial, optical, HDMI IN, HDMI ARC, and Roon Ready modes.\u003c\/li\u003e\n\u003cli\u003e6-inch vertical touchscreen and hardware knobs support direct desktop control.\u003c\/li\u003e\n\u003cli\u003eBalanced XLR4 \/ 4.4mm and single-ended 6.35mm headphone outputs plus XLR \/ RCA line outputs support flexible system matching.\u003c\/li\u003e\n\u003cli\u003eAC or DC power support, Ethernet, Wi-Fi, Bluetooth, HDMI, and storage expansion make it a central desktop audio hub.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eDesktop DAC\/AMP streamer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSoC\u003c\/th\u003e\n\u003ctd\u003eQualcomm Snapdragon 660\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDAC \/ amplifier\u003c\/th\u003e\n\u003ctd\u003eDual ESS ES9038Pro DACs; 8-channel THX AAA 788+ amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUSB \/ Bluetooth\u003c\/th\u003e\n\u003ctd\u003eXMOS XU316 USB; WCN3980 Bluetooth transmission; QCC5125 Bluetooth reception\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDisplay\u003c\/th\u003e\n\u003ctd\u003e6-inch 1080 x 2160 display\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMemory \/ storage\u003c\/th\u003e\n\u003ctd\u003e4GB RAM; 64GB ROM; microSD support up to 2TB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWorking modes\u003c\/th\u003e\n\u003ctd\u003eAndroid, Pure Music, USB DAC, Bluetooth Receiving, AirPlay, coaxial decoding, Roon Ready, optical decoding, HDMI IN, HDMI ARC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupported formats\u003c\/th\u003e\n\u003ctd\u003eUSB DAC up to 768kHz \/ 32-bit and DSD512; local decoding up to 384kHz \/ 32-bit and DSD256\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBalanced output power\u003c\/th\u003e\n\u003ctd\u003eUp to L+R \u0026gt;= 7300mW + 7300mW at 32 ohms, ultra high gain mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions \/ weight\u003c\/th\u003e\n\u003ctd\u003eAbout 115 x 127 x 160 mm; about 2271 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSeries \/ category notes\u003c\/h2\u003e\n\u003cp\u003eThe R9 sits in the FiiO R Series and fits the Digital streaming players category, making it relevant for buyers comparing Desktop DAC\/AMP Streamer options in similar listening setups.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eCondition \u0026amp; availability\u003c\/h2\u003e\n\u003cp\u003eReference page only. Manual availability check required.\u003c\/p\u003e\n\u003cp\u003eThis is a used \/ open-box reference listing.\u003c\/p\u003e\n\u003cp\u003eFinal pricing, condition, accessories, and availability are confirmed case by case.\u003c\/p\u003e\n\u003cp\u003eReference price is for price context only. Availability and final quote are confirmed manually before payment. New or like-new options can be checked on request.\u003c\/p\u003e\n\u003cp\u003eFor this Desktop DAC\/AMP Streamer unit, HiFiLoop checks functional status, cosmetic condition, included accessories, version details, photos, and known limitations before quoting. Where relevant, battery behavior, charging, controls, ports, and connectivity are reviewed for the specific unit being offered.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eShipping \u0026amp; support\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3–5 business days processing after confirmation\u003c\/li\u003e\n\u003cli\u003e7–15 days typical international shipping\u003c\/li\u003e\n\u003cli\u003eFree shipping over $199\u003c\/li\u003e\n\u003cli\u003e14-day DOA support\u003c\/li\u003e\n\u003cli\u003eRepair path from day 15 to day 180\u003c\/li\u003e\n\u003cli\u003eBuyer may be responsible for return shipping, taxes, and duties\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat does Reference price mean?\u003c\/h3\u003e\n\u003cp\u003eReference price is for price context only. It is a planning guide, not a final selling price. Final terms are confirmed with the exact unit.\u003c\/p\u003e\n\u003ch3\u003eIs this exact unit ready to ship?\u003c\/h3\u003e\n\u003cp\u003eManual availability check required. This page identifies the model, not a guaranteed ready-to-ship unit. Timing is confirmed during the quote process.\u003c\/p\u003e\n\u003ch3\u003eCan HiFiLoop help me find another unit?\u003c\/h3\u003e\n\u003cp\u003eYes. New or like-new options can be checked on request. Share your preferred condition, accessories, budget range, and region so HiFiLoop can look for another suitable used \/ open-box option.\u003c\/p\u003e\n\u003c\/section\u003e","brand":"FiiO","offers":[{"title":"Default Title","offer_id":48313243304150,"sku":null,"price":1199.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/1_1__5.jpg?v=1780364562"},{"product_id":"used-open-box-fiio-m27-dap","title":"Used \/ Open-Box FiiO M27 DAP","description":"\u003csection\u003e\n\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThe FiiO M27 is a DAP for portable headphone listening and dedicated music playback. HiFiLoop uses this page as a focused model page for used \/ open-box private-quote requests.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eReference-grade portable smart music player continuing FiiO's portable desktop-unit concept.\u003c\/li\u003e\n\u003cli\u003eQualcomm Dragonwing QCS6490 platform with 8GB RAM, 256GB storage, and dual microSD expansion.\u003c\/li\u003e\n\u003cli\u003eDual ESS ES9039SPRO DAC architecture with XMOS XU316 USB and QCC5181 Bluetooth decoding.\u003c\/li\u003e\n\u003cli\u003e3.5mm, 6.35mm, and 4.4mm outputs plus coaxial input\/output and optical output support portable and desktop-system integration.\u003c\/li\u003e\n\u003cli\u003e31-band PEQ and Auto EQ support help match headphones and IEMs to different listening goals.\u003c\/li\u003e\n\u003cli\u003e9200mAh battery and fast-charge support enable transportable high-power listening.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eDAP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSoC\u003c\/th\u003e\n\u003ctd\u003eQualcomm Dragonwing QCS6490\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDAC architecture\u003c\/th\u003e\n\u003ctd\u003eDual ESS ES9039SPRO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUSB \/ Bluetooth\u003c\/th\u003e\n\u003ctd\u003eXMOS XU316 USB; QCC5181 Bluetooth decoding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDisplay\u003c\/th\u003e\n\u003ctd\u003e5.99-inch 1080 x 2160 touchscreen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMemory \/ storage\u003c\/th\u003e\n\u003ctd\u003e8GB RAM; 256GB ROM; dual microSD support up to 4TB total\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupported formats\u003c\/th\u003e\n\u003ctd\u003eLocal playback, USB DAC, and USB Audio up to 768kHz \/ 32-bit and DSD512\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBattery\u003c\/th\u003e\n\u003ctd\u003e9200mAh; about 9 hours 3.5mm \/ 6.35mm and 8 hours 4.4mm balanced playback\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions \/ weight\u003c\/th\u003e\n\u003ctd\u003eAbout 157.4 x 85.1 x 28 mm; about 556 g black or 630 g titanium alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutputs\u003c\/th\u003e\n\u003ctd\u003e3.5mm, 6.35mm, 4.4mm, coaxial, optical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSeries \/ category notes\u003c\/h2\u003e\n\u003cp\u003eThe M27 sits in the FiiO M Series and fits the Portable media players category, making it relevant for buyers comparing DAP options in similar listening setups.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eCondition \u0026amp; availability\u003c\/h2\u003e\n\u003cp\u003eReference page only. Manual availability check required.\u003c\/p\u003e\n\u003cp\u003eThis is a used \/ open-box reference listing.\u003c\/p\u003e\n\u003cp\u003eFinal pricing, condition, accessories, and availability are confirmed case by case.\u003c\/p\u003e\n\u003cp\u003eReference price is for price context only. Availability and final quote are confirmed manually before payment. New or like-new options can be checked on request.\u003c\/p\u003e\n\u003cp\u003eFor this DAP unit, HiFiLoop checks functional status, cosmetic condition, included accessories, version details, photos, and known limitations before quoting. Where relevant, battery behavior, charging, controls, ports, and connectivity are reviewed for the specific unit being offered.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eShipping \u0026amp; support\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3–5 business days processing after confirmation\u003c\/li\u003e\n\u003cli\u003e7–15 days typical international shipping\u003c\/li\u003e\n\u003cli\u003eFree shipping over $199\u003c\/li\u003e\n\u003cli\u003e14-day DOA support\u003c\/li\u003e\n\u003cli\u003eRepair path from day 15 to day 180\u003c\/li\u003e\n\u003cli\u003eBuyer may be responsible for return shipping, taxes, and duties\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat does Reference price mean?\u003c\/h3\u003e\n\u003cp\u003eReference price is for price context only. It is a planning guide, not a final selling price. Final terms are confirmed with the exact unit.\u003c\/p\u003e\n\u003ch3\u003eIs this exact unit ready to ship?\u003c\/h3\u003e\n\u003cp\u003eManual availability check required. This page identifies the model, not a guaranteed ready-to-ship unit. Timing is confirmed during the quote process.\u003c\/p\u003e\n\u003ch3\u003eCan HiFiLoop help me find another unit?\u003c\/h3\u003e\n\u003cp\u003eYes. New or like-new options can be checked on request. Share your preferred condition, accessories, budget range, and region so HiFiLoop can look for another suitable used \/ open-box option.\u003c\/p\u003e\n\u003c\/section\u003e","brand":"FiiO","offers":[{"title":"Default Title","offer_id":48313248579798,"sku":null,"price":1539.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/SKU__2.png?v=1780364990"},{"product_id":"used-open-box-fiio-fx17-iem","title":"Used \/ Open-Box FiiO FX17 IEM","description":"\u003csection\u003e\n\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThe FiiO FX17 is an IEM for compact in-ear listening with portable audio gear. HiFiLoop uses this page as a focused model page for used \/ open-box private-quote requests.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFlagship tribrid in-ear monitor with one dynamic driver, four balanced armatures, and eight electrostatic drivers per side.\u003c\/li\u003e\n\u003cli\u003eFive-way crossover uses electronic and physical acoustic control to balance the driver groups.\u003c\/li\u003e\n\u003cli\u003ePatented S.Turbo acoustic design helps guide low-frequency energy and smooth the transition into midrange frequencies.\u003c\/li\u003e\n\u003cli\u003eTitanium shell construction and ergonomic over-ear fit support long listening sessions.\u003c\/li\u003e\n\u003cli\u003eMixed gold, silver, and copper cable with swappable 3.5mm, 4.4mm, and Type-C plug options.\u003c\/li\u003e\n\u003cli\u003eType-C plug includes DSP decoding with PEQ support for source-flexible listening.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eTribrid IEM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDriver architecture\u003c\/th\u003e\n\u003ctd\u003ePer side: 10mm lithium-magnesium alloy dynamic driver x1; custom Knowles mid\/high BA x4; Sonion electrostatic drivers x8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrequency response\u003c\/th\u003e\n\u003ctd\u003e8Hz-40kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eImpedance\u003c\/th\u003e\n\u003ctd\u003e16 ohms @ 1kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSensitivity\u003c\/th\u003e\n\u003ctd\u003e104dB\/mW @ 1kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCable\u003c\/th\u003e\n\u003ctd\u003e8-strand, 360-core mixed gold \/ silver \/ copper cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCable length\u003c\/th\u003e\n\u003ctd\u003eAbout 1.2 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003eAbout 12.2 g per ear unit, excluding cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConnector\u003c\/th\u003e\n\u003ctd\u003eMMCX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePlug\u003c\/th\u003e\n\u003ctd\u003eSwappable 3.5mm, 4.4mm, and Type-C plugs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSeries \/ category notes\u003c\/h2\u003e\n\u003cp\u003eThe FX17 sits in the FiiO FX Series and fits the Tribrid IEMs category, making it relevant for buyers comparing IEM options in similar listening setups.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eCondition \u0026amp; availability\u003c\/h2\u003e\n\u003cp\u003eReference page only. Manual availability check required.\u003c\/p\u003e\n\u003cp\u003eThis is a used \/ open-box reference listing.\u003c\/p\u003e\n\u003cp\u003eFinal pricing, condition, accessories, and availability are confirmed case by case.\u003c\/p\u003e\n\u003cp\u003eReference price is for price context only. Availability and final quote are confirmed manually before payment. New or like-new options can be checked on request.\u003c\/p\u003e\n\u003cp\u003eFor this IEM set, HiFiLoop checks functional status, cosmetic condition, included accessories, version details, photos, and known limitations before quoting. Where relevant, battery behavior, charging, controls, ports, and connectivity are reviewed for the specific unit being offered.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eShipping \u0026amp; support\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3–5 business days processing after confirmation\u003c\/li\u003e\n\u003cli\u003e7–15 days typical international shipping\u003c\/li\u003e\n\u003cli\u003eFree shipping over $199\u003c\/li\u003e\n\u003cli\u003e14-day DOA support\u003c\/li\u003e\n\u003cli\u003eRepair path from day 15 to day 180\u003c\/li\u003e\n\u003cli\u003eBuyer may be responsible for return shipping, taxes, and duties\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat does Reference price mean?\u003c\/h3\u003e\n\u003cp\u003eReference price is for price context only. It is a planning guide, not a final selling price. Final terms are confirmed with the exact unit.\u003c\/p\u003e\n\u003ch3\u003eIs this exact unit ready to ship?\u003c\/h3\u003e\n\u003cp\u003eManual availability check required. This page identifies the model, not a guaranteed ready-to-ship unit. Timing is confirmed during the quote process.\u003c\/p\u003e\n\u003ch3\u003eCan HiFiLoop help me find another unit?\u003c\/h3\u003e\n\u003cp\u003eYes. New or like-new options can be checked on request. Share your preferred condition, accessories, budget range, and region so HiFiLoop can look for another suitable used \/ open-box option.\u003c\/p\u003e\n\u003c\/section\u003e","brand":"FiiO","offers":[{"title":"Default Title","offer_id":48313249235158,"sku":null,"price":1199.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/SKU__1_e376741c-b5e9-4821-81fd-9e499cecb064.jpg?v=1780365202"},{"product_id":"used-open-box-fiio-k19-desktop-dac-amp","title":"Used \/ Open-Box FiiO K19 Desktop DAC\/AMP","description":"\u003csection\u003e\n\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThe FiiO K19 is a Desktop DAC\/AMP for connecting digital sources to headphones or compact audio systems. HiFiLoop uses this page as a focused model page for used \/ open-box private-quote requests.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFlagship desktop DAC and headphone amplifier for USB, coaxial, optical, HDMI, HDMI ARC, and Bluetooth decoding.\u003c\/li\u003e\n\u003cli\u003eDual ESS ES9039SPRO DAC architecture with 8-channel THX AAA 788+ headphone amplification.\u003c\/li\u003e\n\u003cli\u003e31-band high-precision PEQ supports detailed tuning on compatible computer and mobile control paths.\u003c\/li\u003e\n\u003cli\u003eBalanced and single-ended headphone outputs plus XLR and RCA line outputs support flexible desktop systems.\u003c\/li\u003e\n\u003cli\u003eAC or DC power support and an ultra-thin die-cast aluminum chassis help it fit compact desktop layouts.\u003c\/li\u003e\n\u003cli\u003eHigh-power balanced output is intended for demanding headphones while also supporting preamp and line-output roles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eDesktop DAC\/AMP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDAC architecture\u003c\/th\u003e\n\u003ctd\u003eDual ESS ES9039SPRO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAmplifier\u003c\/th\u003e\n\u003ctd\u003e8-way THX AAA 788+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUSB \/ Bluetooth\u003c\/th\u003e\n\u003ctd\u003eXMOS XU316 USB; QCC5125 Bluetooth decoding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWorking modes\u003c\/th\u003e\n\u003ctd\u003eUSB DAC, coaxial decoding, optical decoding, HDMI decoding, HDMI ARC decoding, Bluetooth receiving\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupported formats\u003c\/th\u003e\n\u003ctd\u003eUSB decoding up to 768kHz \/ 32-bit, DSD512 Native, and MQA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutputs\u003c\/th\u003e\n\u003ctd\u003e4.4mm and XLR4 balanced headphone; 6.35mm headphone; XLR3 balanced line; RCA line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBalanced output power\u003c\/th\u003e\n\u003ctd\u003eUp to L+R \u0026gt;= 8000mW + 8000mW at 32 ohms, ultra high gain mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions \/ weight\u003c\/th\u003e\n\u003ctd\u003eAbout 250 x 225 x 36.7 mm; about 1800 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower supply\u003c\/th\u003e\n\u003ctd\u003eAC 100-240V 50\/60Hz or DC 15V \/ \u0026gt;=3A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSeries \/ category notes\u003c\/h2\u003e\n\u003cp\u003eThe K19 sits in the FiiO K Series and fits the Desktop audio converters and amplifiers category, making it relevant for buyers comparing Desktop DAC\/AMP options in similar listening setups.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eCondition \u0026amp; availability\u003c\/h2\u003e\n\u003cp\u003eReference page only. Manual availability check required.\u003c\/p\u003e\n\u003cp\u003eThis is a used \/ open-box reference listing.\u003c\/p\u003e\n\u003cp\u003eFinal pricing, condition, accessories, and availability are confirmed case by case.\u003c\/p\u003e\n\u003cp\u003eReference price is for price context only. Availability and final quote are confirmed manually before payment. New or like-new options can be checked on request.\u003c\/p\u003e\n\u003cp\u003eFor this Desktop DAC\/AMP unit, HiFiLoop checks functional status, cosmetic condition, included accessories, version details, photos, and known limitations before quoting. Where relevant, battery behavior, charging, controls, ports, and connectivity are reviewed for the specific unit being offered.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eShipping \u0026amp; support\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3–5 business days processing after confirmation\u003c\/li\u003e\n\u003cli\u003e7–15 days typical international shipping\u003c\/li\u003e\n\u003cli\u003eFree shipping over $199\u003c\/li\u003e\n\u003cli\u003e14-day DOA support\u003c\/li\u003e\n\u003cli\u003eRepair path from day 15 to day 180\u003c\/li\u003e\n\u003cli\u003eBuyer may be responsible for return shipping, taxes, and duties\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat does Reference price mean?\u003c\/h3\u003e\n\u003cp\u003eReference price is for price context only. It is a planning guide, not a final selling price. Final terms are confirmed with the exact unit.\u003c\/p\u003e\n\u003ch3\u003eIs this exact unit ready to ship?\u003c\/h3\u003e\n\u003cp\u003eManual availability check required. This page identifies the model, not a guaranteed ready-to-ship unit. Timing is confirmed during the quote process.\u003c\/p\u003e\n\u003ch3\u003eCan HiFiLoop help me find another unit?\u003c\/h3\u003e\n\u003cp\u003eYes. New or like-new options can be checked on request. Share your preferred condition, accessories, budget range, and region so HiFiLoop can look for another suitable used \/ open-box option.\u003c\/p\u003e\n\u003c\/section\u003e","brand":"FiiO","offers":[{"title":"Default Title","offer_id":48313252675798,"sku":null,"price":959.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/SKU__1_303f2305-cd03-4e35-b4f2-4023a61886a6.jpg?v=1780365315"},{"product_id":"used-open-box-fiio-m17-dap","title":"Used \/ Open-Box FiiO M17 DAP","description":"\u003csection\u003e\n\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThe FiiO M17 is a DAP for portable headphone listening and dedicated music playback. HiFiLoop uses this page as a focused model page for used \/ open-box private-quote requests.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePortable desktop-class digital audio player with Android, Pure Music, USB DAC, Bluetooth receiver, AirPlay, and SPDIF receiver modes.\u003c\/li\u003e\n\u003cli\u003eDual ESS ES9038PRO DAC architecture with THX AAA 788+ amplification.\u003c\/li\u003e\n\u003cli\u003eQualcomm Snapdragon 660 platform with 4GB RAM, 64GB ROM, and microSD expansion.\u003c\/li\u003e\n\u003cli\u003eDual USB-C connectors, DC power input, 2.5mm \/ 4.4mm balanced outputs, 3.5mm \/ 6.35mm headphone outputs, and coaxial connectivity.\u003c\/li\u003e\n\u003cli\u003eHigh-power balanced output supports portable and transportable headphone systems.\u003c\/li\u003e\n\u003cli\u003e9200mAh battery supports standalone listening, with quick-charge support for portable use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eDAP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSoC\u003c\/th\u003e\n\u003ctd\u003eQualcomm Snapdragon 660\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDAC architecture\u003c\/th\u003e\n\u003ctd\u003eDual ESS ES9038PRO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAmplifier\u003c\/th\u003e\n\u003ctd\u003eTHX AAA 788+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBluetooth \/ USB\u003c\/th\u003e\n\u003ctd\u003eQCC5124 Bluetooth; XMOS XUF208 USB receiver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupported formats\u003c\/th\u003e\n\u003ctd\u003eUSB DAC up to 768kHz \/ 32-bit and DSD512; local playback up to 384kHz \/ 32-bit and DSD256\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDisplay\u003c\/th\u003e\n\u003ctd\u003e5.99-inch 1080 x 2160 touchscreen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMemory \/ storage\u003c\/th\u003e\n\u003ctd\u003e4GB RAM; 64GB ROM; microSD support up to 2TB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBattery\u003c\/th\u003e\n\u003ctd\u003e9200mAh; about 10 hours single-ended and 8 hours balanced playback\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions \/ weight\u003c\/th\u003e\n\u003ctd\u003eApprox. 156.4 x 88.5 x 28 mm; 610 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSeries \/ category notes\u003c\/h2\u003e\n\u003cp\u003eThe M17 sits in the FiiO M Series and fits the Portable media players category, making it relevant for buyers comparing DAP options in similar listening setups.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eCondition \u0026amp; availability\u003c\/h2\u003e\n\u003cp\u003eReference page only. Manual availability check required.\u003c\/p\u003e\n\u003cp\u003eThis is a used \/ open-box reference listing.\u003c\/p\u003e\n\u003cp\u003eFinal pricing, condition, accessories, and availability are confirmed case by case.\u003c\/p\u003e\n\u003cp\u003eReference price is for price context only. Availability and final quote are confirmed manually before payment. New or like-new options can be checked on request.\u003c\/p\u003e\n\u003cp\u003eFor this DAP unit, HiFiLoop checks functional status, cosmetic condition, included accessories, version details, photos, and known limitations before quoting. Where relevant, battery behavior, charging, controls, ports, and connectivity are reviewed for the specific unit being offered.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eShipping \u0026amp; support\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3–5 business days processing after confirmation\u003c\/li\u003e\n\u003cli\u003e7–15 days typical international shipping\u003c\/li\u003e\n\u003cli\u003eFree shipping over $199\u003c\/li\u003e\n\u003cli\u003e14-day DOA support\u003c\/li\u003e\n\u003cli\u003eRepair path from day 15 to day 180\u003c\/li\u003e\n\u003cli\u003eBuyer may be responsible for return shipping, taxes, and duties\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat does Reference price mean?\u003c\/h3\u003e\n\u003cp\u003eReference price is for price context only. It is a planning guide, not a final selling price. Final terms are confirmed with the exact unit.\u003c\/p\u003e\n\u003ch3\u003eIs this exact unit ready to ship?\u003c\/h3\u003e\n\u003cp\u003eManual availability check required. This page identifies the model, not a guaranteed ready-to-ship unit. Timing is confirmed during the quote process.\u003c\/p\u003e\n\u003ch3\u003eCan HiFiLoop help me find another unit?\u003c\/h3\u003e\n\u003cp\u003eYes. New or like-new options can be checked on request. Share your preferred condition, accessories, budget range, and region so HiFiLoop can look for another suitable used \/ open-box option.\u003c\/p\u003e\n\u003c\/section\u003e","brand":"FiiO","offers":[{"title":"Default Title","offer_id":48313253789910,"sku":null,"price":899.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/SKU__1_506d8392-3cb8-4003-984e-a066b36a8960.jpg?v=1780365424"},{"product_id":"used-open-box-fiio-fa19-iem","title":"Used \/ Open-Box FiiO FA19 IEM","description":"\u003csection\u003e\n\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThe FiiO FA19 is an IEM for compact in-ear listening with portable audio gear. HiFiLoop uses this page as a focused model page for used \/ open-box private-quote requests.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTen balanced-armature in-ear monitor built around Knowles bass, midrange, and treble driver groups.\u003c\/li\u003e\n\u003cli\u003eTuning switch supports monitor and HiFi listening modes for different source and preference matching.\u003c\/li\u003e\n\u003cli\u003eDLP 3D-printed shell construction supports precise acoustic chamber control.\u003c\/li\u003e\n\u003cli\u003ePatented S.Turbo acoustic design helps manage low-frequency routing and transition into the midrange.\u003c\/li\u003e\n\u003cli\u003eDetachable standard MMCX cable design with interchangeable 3.5mm and 4.4mm plug options.\u003c\/li\u003e\n\u003cli\u003eSuitable for listeners comparing a high-driver-count all-BA IEM for portable and desktop sources.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eBalanced armature IEM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDriver architecture\u003c\/th\u003e\n\u003ctd\u003e10 balanced armatures\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBalanced armatures\u003c\/th\u003e\n\u003ctd\u003eCustom Knowles compound HODVTEC x2 for bass; custom Knowles ED x2 for mids; Knowles compound SWFK-31736 x2 for treble\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrequency response\u003c\/th\u003e\n\u003ctd\u003e10Hz-40kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSensitivity\u003c\/th\u003e\n\u003ctd\u003e106dB\/mW @ 1kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eImpedance\u003c\/th\u003e\n\u003ctd\u003e10 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePlug\u003c\/th\u003e\n\u003ctd\u003eInterchangeable 3.5mm \/ 4.4mm plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCable length\u003c\/th\u003e\n\u003ctd\u003e1.2 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003eAbout 7 g per ear unit, excluding cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConnector\u003c\/th\u003e\n\u003ctd\u003eStandard MMCX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSeries \/ category notes\u003c\/h2\u003e\n\u003cp\u003eThe FA19 sits in the FiiO FA Series and fits the Balanced armature IEMs category, making it relevant for buyers comparing IEM options in similar listening setups.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eCondition \u0026amp; availability\u003c\/h2\u003e\n\u003cp\u003eReference page only. Manual availability check required.\u003c\/p\u003e\n\u003cp\u003eThis is a used \/ open-box reference listing.\u003c\/p\u003e\n\u003cp\u003eFinal pricing, condition, accessories, and availability are confirmed case by case.\u003c\/p\u003e\n\u003cp\u003eReference price is for price context only. Availability and final quote are confirmed manually before payment. New or like-new options can be checked on request.\u003c\/p\u003e\n\u003cp\u003eFor this IEM set, HiFiLoop checks functional status, cosmetic condition, included accessories, version details, photos, and known limitations before quoting. Where relevant, battery behavior, charging, controls, ports, and connectivity are reviewed for the specific unit being offered.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eShipping \u0026amp; support\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3–5 business days processing after confirmation\u003c\/li\u003e\n\u003cli\u003e7–15 days typical international shipping\u003c\/li\u003e\n\u003cli\u003eFree shipping over $199\u003c\/li\u003e\n\u003cli\u003e14-day DOA support\u003c\/li\u003e\n\u003cli\u003eRepair path from day 15 to day 180\u003c\/li\u003e\n\u003cli\u003eBuyer may be responsible for return shipping, taxes, and duties\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat does Reference price mean?\u003c\/h3\u003e\n\u003cp\u003eReference price is for price context only. It is a planning guide, not a final selling price. Final terms are confirmed with the exact unit.\u003c\/p\u003e\n\u003ch3\u003eIs this exact unit ready to ship?\u003c\/h3\u003e\n\u003cp\u003eManual availability check required. This page identifies the model, not a guaranteed ready-to-ship unit. Timing is confirmed during the quote process.\u003c\/p\u003e\n\u003ch3\u003eCan HiFiLoop help me find another unit?\u003c\/h3\u003e\n\u003cp\u003eYes. New or like-new options can be checked on request. Share your preferred condition, accessories, budget range, and region so HiFiLoop can look for another suitable used \/ open-box option.\u003c\/p\u003e\n\u003c\/section\u003e","brand":"FiiO","offers":[{"title":"Default Title","offer_id":48313256509654,"sku":null,"price":829.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/SKU__1.png?v=1780365509"},{"product_id":"used-open-box-fiio-s15-desktop-audio-streamer","title":"Used \/ Open-Box FiiO S15 Desktop Audio Streamer","description":"\u003csection\u003e\n\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThe FiiO S15 is a Desktop Audio Streamer for building or refining a HiFi listening setup. HiFiLoop uses this page as a focused model page for used \/ open-box private-quote requests.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFull-size desktop audio streamer for network streaming, LAN playback, local playback, decoding, preamplifier use, and digital jukebox duties.\u003c\/li\u003e\n\u003cli\u003eAKM AK4191 and AK4499EX DAC architecture with fully balanced analog audio design.\u003c\/li\u003e\n\u003cli\u003eAndroid 12 platform with a custom landscape display system and 7.84-inch color screen.\u003c\/li\u003e\n\u003cli\u003eSupports Roon Ready, AirPlay, DLNA, Bluetooth reception, USB DAC, coaxial, optical, AES, HDMI input, HDMI ARC, and HDMI I2S output use cases.\u003c\/li\u003e\n\u003cli\u003e35W low-noise linear power supply with four 4700uF ELNA audio capacitors.\u003c\/li\u003e\n\u003cli\u003eDesigned for living-room or desktop systems that need one source component for streaming, decoding, and preamp control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eDesktop audio streamer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDAC architecture\u003c\/th\u003e\n\u003ctd\u003eAKM AK4191 + AK4499EX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePlatform\u003c\/th\u003e\n\u003ctd\u003eQualcomm Snapdragon 660; Android 12; 4GB RAM; 64GB ROM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDisplay\u003c\/th\u003e\n\u003ctd\u003e7.84-inch 400 x 1280 color display\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStorage expansion\u003c\/th\u003e\n\u003ctd\u003emicroSD up to 2TB; M.2 portable hard disk support up to 2TB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWireless\u003c\/th\u003e\n\u003ctd\u003e2.4GHz \/ 5GHz Wi-Fi; Bluetooth 5.0 transmission; Bluetooth 5.1 reception\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInputs \/ outputs\u003c\/th\u003e\n\u003ctd\u003eUSB-C, USB-A, optical, coaxial, AES, HDMI IN, HDMI OUT ARC, HDMI I2S, XLR, RCA, Ethernet, trigger\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupported formats\u003c\/th\u003e\n\u003ctd\u003eUSB DAC up to 768kHz \/ 32-bit and DSD512; native decoding up to 384kHz \/ 32-bit and DSD256\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions \/ weight\u003c\/th\u003e\n\u003ctd\u003eAbout 430 x 274.5 x 89.5 mm; about 5647 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower supply\u003c\/th\u003e\n\u003ctd\u003eAC 110-120V \/ 220-240V, 50\/60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSeries \/ category notes\u003c\/h2\u003e\n\u003cp\u003eThe S15 sits in the FiiO S Series and fits the Digital streaming players category, making it relevant for buyers comparing Desktop Audio Streamer options in similar listening setups.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eCondition \u0026amp; availability\u003c\/h2\u003e\n\u003cp\u003eReference page only. Manual availability check required.\u003c\/p\u003e\n\u003cp\u003eThis is a used \/ open-box reference listing.\u003c\/p\u003e\n\u003cp\u003eFinal pricing, condition, accessories, and availability are confirmed case by case.\u003c\/p\u003e\n\u003cp\u003eReference price is for price context only. Availability and final quote are confirmed manually before payment. New or like-new options can be checked on request.\u003c\/p\u003e\n\u003cp\u003eFor this Desktop Audio Streamer item, HiFiLoop checks functional status, cosmetic condition, included accessories, version details, photos, and known limitations before quoting. Where relevant, battery behavior, charging, controls, ports, and connectivity are reviewed for the specific unit being offered.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eShipping \u0026amp; support\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3–5 business days processing after confirmation\u003c\/li\u003e\n\u003cli\u003e7–15 days typical international shipping\u003c\/li\u003e\n\u003cli\u003eFree shipping over $199\u003c\/li\u003e\n\u003cli\u003e14-day DOA support\u003c\/li\u003e\n\u003cli\u003eRepair path from day 15 to day 180\u003c\/li\u003e\n\u003cli\u003eBuyer may be responsible for return shipping, taxes, and duties\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat does Reference price mean?\u003c\/h3\u003e\n\u003cp\u003eReference price is for price context only. It is a planning guide, not a final selling price. Final terms are confirmed with the exact unit.\u003c\/p\u003e\n\u003ch3\u003eIs this exact unit ready to ship?\u003c\/h3\u003e\n\u003cp\u003eManual availability check required. This page identifies the model, not a guaranteed ready-to-ship unit. Timing is confirmed during the quote process.\u003c\/p\u003e\n\u003ch3\u003eCan HiFiLoop help me find another unit?\u003c\/h3\u003e\n\u003cp\u003eYes. New or like-new options can be checked on request. Share your preferred condition, accessories, budget range, and region so HiFiLoop can look for another suitable used \/ open-box option.\u003c\/p\u003e\n\u003c\/section\u003e","brand":"FiiO","offers":[{"title":"Default Title","offer_id":48313264177366,"sku":null,"price":899.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/SKU__1_856f34f4-be7b-4b63-9f4e-9e57864e34b5.jpg?v=1780365605"},{"product_id":"used-open-box-fiio-m15s-dap","title":"Used \/ Open-Box FiiO M15S DAP","description":"\u003csection\u003e\n\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThe FiiO M15S is a DAP for portable headphone listening and dedicated music playback. HiFiLoop uses this page as a focused model page for used \/ open-box private-quote requests.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePortable high-resolution Android music player for handheld and transportable headphone listening.\u003c\/li\u003e\n\u003cli\u003eDesktop \/ portable dual power concept with ultra-high gain available when the correct power path is used.\u003c\/li\u003e\n\u003cli\u003eESS ES9038PRO DAC platform with OPA926 amplification and dual NDK femtosecond crystal oscillators.\u003c\/li\u003e\n\u003cli\u003eAndroid, Pure Music, USB DAC, Bluetooth receiving, AirPlay, and Roon Ready modes support flexible playback.\u003c\/li\u003e\n\u003cli\u003e3.5mm single-ended plus 2.5mm and 4.4mm balanced output paths support multiple headphone cables.\u003c\/li\u003e\n\u003cli\u003eUSB Audio supports up to 768kHz \/ 32-bit and DSD512.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eDAP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSoC\u003c\/th\u003e\n\u003ctd\u003eQualcomm Snapdragon 660\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDAC architecture\u003c\/th\u003e\n\u003ctd\u003eESS ES9038PRO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAmplifier\u003c\/th\u003e\n\u003ctd\u003eOPA926 x2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDisplay\u003c\/th\u003e\n\u003ctd\u003e5.5-inch 1440 x 720 fully fitted screen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMemory \/ storage\u003c\/th\u003e\n\u003ctd\u003e4GB RAM; 64GB ROM; TF card support up to 2TB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWorking modes\u003c\/th\u003e\n\u003ctd\u003eAndroid, Pure Music, USB DAC, Bluetooth receiving, AirPlay, Roon Ready\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupported formats\u003c\/th\u003e\n\u003ctd\u003eNative playback up to 384kHz \/ 32-bit and DSD256; USB Audio up to 768kHz \/ 32-bit and DSD512\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBalanced output power\u003c\/th\u003e\n\u003ctd\u003eUp to L+R \u0026gt;= 1200mW + 1200mW at 32 ohms, ultra high gain mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions \/ weight\u003c\/th\u003e\n\u003ctd\u003eAbout 140 x 80 x 18.9 mm; about 345 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSeries \/ category notes\u003c\/h2\u003e\n\u003cp\u003eThe M15S sits in the FiiO M Series and fits the Portable media players category, making it relevant for buyers comparing DAP options in similar listening setups.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eCondition \u0026amp; availability\u003c\/h2\u003e\n\u003cp\u003eReference page only. Manual availability check required.\u003c\/p\u003e\n\u003cp\u003eThis is a used \/ open-box reference listing.\u003c\/p\u003e\n\u003cp\u003eFinal pricing, condition, accessories, and availability are confirmed case by case.\u003c\/p\u003e\n\u003cp\u003eReference price is for price context only. Availability and final quote are confirmed manually before payment. New or like-new options can be checked on request.\u003c\/p\u003e\n\u003cp\u003eFor this DAP unit, HiFiLoop checks functional status, cosmetic condition, included accessories, version details, photos, and known limitations before quoting. Where relevant, battery behavior, charging, controls, ports, and connectivity are reviewed for the specific unit being offered.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eShipping \u0026amp; support\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3–5 business days processing after confirmation\u003c\/li\u003e\n\u003cli\u003e7–15 days typical international shipping\u003c\/li\u003e\n\u003cli\u003eFree shipping over $199\u003c\/li\u003e\n\u003cli\u003e14-day DOA support\u003c\/li\u003e\n\u003cli\u003eRepair path from day 15 to day 180\u003c\/li\u003e\n\u003cli\u003eBuyer may be responsible for return shipping, taxes, and duties\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat does Reference price mean?\u003c\/h3\u003e\n\u003cp\u003eReference price is for price context only. It is a planning guide, not a final selling price. Final terms are confirmed with the exact unit.\u003c\/p\u003e\n\u003ch3\u003eIs this exact unit ready to ship?\u003c\/h3\u003e\n\u003cp\u003eManual availability check required. This page identifies the model, not a guaranteed ready-to-ship unit. Timing is confirmed during the quote process.\u003c\/p\u003e\n\u003ch3\u003eCan HiFiLoop help me find another unit?\u003c\/h3\u003e\n\u003cp\u003eYes. New or like-new options can be checked on request. Share your preferred condition, accessories, budget range, and region so HiFiLoop can look for another suitable used \/ open-box option.\u003c\/p\u003e\n\u003c\/section\u003e","brand":"FiiO","offers":[{"title":"Default Title","offer_id":48313277841622,"sku":null,"price":699.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/SKU__1_fba938da-d457-4db8-b7e0-d815aae36268.jpg?v=1780366488"},{"product_id":"used-open-box-fiio-k17-desktop-dac-amp","title":"Used \/ Open-Box FiiO K17 Desktop DAC\/AMP","description":"\u003csection\u003e\n\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThe FiiO K17 is a Desktop DAC\/AMP for connecting digital sources to headphones or compact audio systems. HiFiLoop uses this page as a focused model page for used \/ open-box private-quote requests.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-end desktop DAC and headphone amplifier for USB, coaxial, optical, line, balanced, Bluetooth, streaming, and local playback modes.\u003c\/li\u003e\n\u003cli\u003eAKM flagship DAC platform with a discrete Class-AB MJE243G \/ MJE253G transistor headphone amplifier.\u003c\/li\u003e\n\u003cli\u003eBalanced output power supports demanding desktop headphone pairings.\u003c\/li\u003e\n\u003cli\u003eGlobal 31-band PEQ supports detailed tuning, with no PEQ processing on digital output.\u003c\/li\u003e\n\u003cli\u003eBalanced and single-ended headphone outputs plus XLR and RCA line outputs support flexible system matching.\u003c\/li\u003e\n\u003cli\u003eEthernet, dual-band Wi-Fi, Bluetooth reception, trigger, app control, remote control, and touchscreen operation support desktop use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eDesktop DAC\/AMP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDAC platform\u003c\/th\u003e\n\u003ctd\u003eAKM flagship DAC platform\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAmplifier\u003c\/th\u003e\n\u003ctd\u003eMJE243G \/ MJE253G discrete transistor current-amplification headphone amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUSB \/ Bluetooth\u003c\/th\u003e\n\u003ctd\u003eXMOS XU316 USB; QCC5125 Bluetooth reception\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWorking modes\u003c\/th\u003e\n\u003ctd\u003eUSB DAC, coaxial decoding, optical decoding, line in, balanced in, Bluetooth receiving, streaming media receiving, local playback\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupported formats\u003c\/th\u003e\n\u003ctd\u003eUSB decoding up to 768kHz \/ 32-bit and DSD512 Native\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBalanced output power\u003c\/th\u003e\n\u003ctd\u003eUp to L+R \u0026gt;= 4000mW + 4000mW at 32 ohms, ultra high gain mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePEQ\u003c\/th\u003e\n\u003ctd\u003eGlobal 31-band PEQ; no PEQ processing in digital output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions \/ weight\u003c\/th\u003e\n\u003ctd\u003eAbout 244.6 x 213 x 66.8 mm; about 2750 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower supply\u003c\/th\u003e\n\u003ctd\u003eAC 100-120V \/ 220-240V, 50\/60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSeries \/ category notes\u003c\/h2\u003e\n\u003cp\u003eThe K17 sits in the FiiO K Series and fits the Desktop audio converters and amplifiers category, making it relevant for buyers comparing Desktop DAC\/AMP options in similar listening setups.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eCondition \u0026amp; availability\u003c\/h2\u003e\n\u003cp\u003eReference page only. Manual availability check required.\u003c\/p\u003e\n\u003cp\u003eThis is a used \/ open-box reference listing.\u003c\/p\u003e\n\u003cp\u003eFinal pricing, condition, accessories, and availability are confirmed case by case.\u003c\/p\u003e\n\u003cp\u003eReference price is for price context only. Availability and final quote are confirmed manually before payment. New or like-new options can be checked on request.\u003c\/p\u003e\n\u003cp\u003eFor this Desktop DAC\/AMP unit, HiFiLoop checks functional status, cosmetic condition, included accessories, version details, photos, and known limitations before quoting. Where relevant, battery behavior, charging, controls, ports, and connectivity are reviewed for the specific unit being offered.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eShipping \u0026amp; support\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3–5 business days processing after confirmation\u003c\/li\u003e\n\u003cli\u003e7–15 days typical international shipping\u003c\/li\u003e\n\u003cli\u003eFree shipping over $199\u003c\/li\u003e\n\u003cli\u003e14-day DOA support\u003c\/li\u003e\n\u003cli\u003eRepair path from day 15 to day 180\u003c\/li\u003e\n\u003cli\u003eBuyer may be responsible for return shipping, taxes, and duties\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat does Reference price mean?\u003c\/h3\u003e\n\u003cp\u003eReference price is for price context only. It is a planning guide, not a final selling price. Final terms are confirmed with the exact unit.\u003c\/p\u003e\n\u003ch3\u003eIs this exact unit ready to ship?\u003c\/h3\u003e\n\u003cp\u003eManual availability check required. This page identifies the model, not a guaranteed ready-to-ship unit. Timing is confirmed during the quote process.\u003c\/p\u003e\n\u003ch3\u003eCan HiFiLoop help me find another unit?\u003c\/h3\u003e\n\u003cp\u003eYes. New or like-new options can be checked on request. Share your preferred condition, accessories, budget range, and region so HiFiLoop can look for another suitable used \/ open-box option.\u003c\/p\u003e\n\u003c\/section\u003e","brand":"FiiO","offers":[{"title":"Default Title","offer_id":48313281577174,"sku":null,"price":699.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/SKU__1_92974e64-4001-4ec0-997d-224fcc56b611.jpg?v=1780366652"},{"product_id":"used-open-box-fiio-sp5-active-desktop-speakers","title":"Used \/ Open-Box FiiO SP5 Active Desktop Speakers","description":"\u003csection\u003e\n\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThe FiiO SP5 is a pair of Active Desktop Speakers for near-field desktop listening and compact HiFi systems. HiFiLoop uses this page as a focused model page for used \/ open-box private-quote requests.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-fidelity active desktop speaker pair for near-field HiFi systems.\u003c\/li\u003e\n\u003cli\u003e5.25-inch composite-fiber woofer and 1-inch composite silk soft-dome tweeter.\u003c\/li\u003e\n\u003cli\u003eIndependent power supply design and four-way independent power output support the active speaker architecture.\u003c\/li\u003e\n\u003cli\u003eXLR, RCA, AUX, USB, and Bluetooth inputs support desktop, source, and wireless use cases.\u003c\/li\u003e\n\u003cli\u003eFIIO Control app support, 10-band PEQ, bass \/ treble adjustment, and low-frequency extension settings support practical tuning.\u003c\/li\u003e\n\u003cli\u003eHi-res Bluetooth codec support includes LDAC and aptX Adaptive.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eActive 2-way desktop speaker pair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDrivers\u003c\/th\u003e\n\u003ctd\u003e5.25-inch composite \/ carbon-fiber midwoofer; 1-inch dome tweeter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDriver impedance\u003c\/th\u003e\n\u003ctd\u003eMidwoofer 6 ohms; tweeter 8 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAmplification\u003c\/th\u003e\n\u003ctd\u003eFour-way independent power output, rated 60W x2 plus 20W x2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInputs\u003c\/th\u003e\n\u003ctd\u003eXLR balanced, RCA, AUX, USB, Bluetooth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBluetooth\u003c\/th\u003e\n\u003ctd\u003eLDAC, aptX Adaptive, aptX HD, aptX LL, aptX, AAC, SBC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eControls\u003c\/th\u003e\n\u003ctd\u003eFIIO Control app; 10-band PEQ; bass \/ treble and low-frequency extension adjustment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003ePrimary and secondary speakers: about 170 x 185 x 280 mm each, including foot pads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003ePrimary speaker about 6.01 kg; secondary speaker about 5.94 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower supply\u003c\/th\u003e\n\u003ctd\u003e100-240V, 50\/60Hz, 120W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSeries \/ category notes\u003c\/h2\u003e\n\u003cp\u003eThe SP5 sits in the FiiO SP Series and fits the Active speakers category, making it relevant for buyers comparing Active Desktop Speakers options in similar listening setups.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eCondition \u0026amp; availability\u003c\/h2\u003e\n\u003cp\u003eReference page only. Manual availability check required.\u003c\/p\u003e\n\u003cp\u003eThis is a used \/ open-box reference listing.\u003c\/p\u003e\n\u003cp\u003eFinal pricing, condition, accessories, and availability are confirmed case by case.\u003c\/p\u003e\n\u003cp\u003eReference price is for price context only. Availability and final quote are confirmed manually before payment. New or like-new options can be checked on request.\u003c\/p\u003e\n\u003cp\u003eFor this speaker pair, HiFiLoop checks functional status, cosmetic condition, included accessories, version details, photos, and known limitations before quoting. Where relevant, battery behavior, charging, controls, ports, and connectivity are reviewed for the specific unit being offered.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eShipping \u0026amp; support\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3–5 business days processing after confirmation\u003c\/li\u003e\n\u003cli\u003e7–15 days typical international shipping\u003c\/li\u003e\n\u003cli\u003eFree shipping over $199\u003c\/li\u003e\n\u003cli\u003e14-day DOA support\u003c\/li\u003e\n\u003cli\u003eRepair path from day 15 to day 180\u003c\/li\u003e\n\u003cli\u003eBuyer may be responsible for return shipping, taxes, and duties\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat does Reference price mean?\u003c\/h3\u003e\n\u003cp\u003eReference price is for price context only. It is a planning guide, not a final selling price. Final terms are confirmed with the exact unit.\u003c\/p\u003e\n\u003ch3\u003eIs this exact unit ready to ship?\u003c\/h3\u003e\n\u003cp\u003eManual availability check required. This page identifies the model, not a guaranteed ready-to-ship unit. Timing is confirmed during the quote process.\u003c\/p\u003e\n\u003ch3\u003eCan HiFiLoop help me find another unit?\u003c\/h3\u003e\n\u003cp\u003eYes. New or like-new options can be checked on request. Share your preferred condition, accessories, budget range, and region so HiFiLoop can look for another suitable used \/ open-box option.\u003c\/p\u003e\n\u003c\/section\u003e","brand":"FiiO","offers":[{"title":"Default Title","offer_id":48313283641558,"sku":null,"price":649.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/SKU__1_a848049c-5c66-496f-9e6f-4286d3a7698c.jpg?v=1780366837"},{"product_id":"used-open-box-fiio-ft7-open-back-planar-headphones","title":"Used \/ Open-Box FiiO FT7 Open-Back Planar Headphones","description":"\u003csection\u003e\n\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThe FiiO FT7 is a pair of Open-Back Planar Headphones for focused headphone listening at home, work, or on the move. HiFiLoop uses this page as a focused model page for used \/ open-box private-quote requests.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOpen-back planar over-ear headphones for desktop headphone systems.\u003c\/li\u003e\n\u003cli\u003e106mm FIIO self-developed planar driver with a 1um PET diaphragm and 24K gold \/ pure silver coating.\u003c\/li\u003e\n\u003cli\u003ePatented uniform magnetic-field design and dual-sided N52 neodymium push-pull magnetic circuit.\u003c\/li\u003e\n\u003cli\u003eCarbon-fiber body and zebrawood grille support a lighter high-end planar headphone build.\u003c\/li\u003e\n\u003cli\u003eTwo ear-pad sets and adapters help match comfort and system connection needs.\u003c\/li\u003e\n\u003cli\u003e6N cryogenically treated monocrystalline copper cable is included with balanced termination.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eOpen-back planar over-ear headphones\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDriver\u003c\/th\u003e\n\u003ctd\u003e106mm FIIO self-developed planar driver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAcoustic design\u003c\/th\u003e\n\u003ctd\u003eOpen-back; patented uniform magnetic field; dual-sided N52 neodymium push-pull magnetic circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiaphragm\u003c\/th\u003e\n\u003ctd\u003e1um PET diaphragm with 24K gold and pure silver multi-layer coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrequency response\u003c\/th\u003e\n\u003ctd\u003e5Hz-40kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eImpedance\u003c\/th\u003e\n\u003ctd\u003e25 ohms +\/-15%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSensitivity\u003c\/th\u003e\n\u003ctd\u003e94dB\/mW at 1kHz; 110dB\/Vrms at 1kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCable\u003c\/th\u003e\n\u003ctd\u003eAbout 3 m 6N cryogenically treated monocrystalline copper cable; dual 3.5mm TS headphone connectors; 4.4mm balanced plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003eAbout 427 g, excluding cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum input power\u003c\/th\u003e\n\u003ctd\u003e500mW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSeries \/ category notes\u003c\/h2\u003e\n\u003cp\u003eThe FT7 sits in the FiiO FT Series and fits the Planar over-ear headphones category, making it relevant for buyers comparing Open-Back Planar Headphones options in similar listening setups.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eCondition \u0026amp; availability\u003c\/h2\u003e\n\u003cp\u003eReference page only. Manual availability check required.\u003c\/p\u003e\n\u003cp\u003eThis is a used \/ open-box reference listing.\u003c\/p\u003e\n\u003cp\u003eFinal pricing, condition, accessories, and availability are confirmed case by case.\u003c\/p\u003e\n\u003cp\u003eReference price is for price context only. Availability and final quote are confirmed manually before payment. New or like-new options can be checked on request.\u003c\/p\u003e\n\u003cp\u003eFor this Open-Back Planar Headphones set, HiFiLoop checks functional status, cosmetic condition, included accessories, version details, photos, and known limitations before quoting. Where relevant, battery behavior, charging, controls, ports, and connectivity are reviewed for the specific unit being offered.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eShipping \u0026amp; support\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3–5 business days processing after confirmation\u003c\/li\u003e\n\u003cli\u003e7–15 days typical international shipping\u003c\/li\u003e\n\u003cli\u003eFree shipping over $199\u003c\/li\u003e\n\u003cli\u003e14-day DOA support\u003c\/li\u003e\n\u003cli\u003eRepair path from day 15 to day 180\u003c\/li\u003e\n\u003cli\u003eBuyer may be responsible for return shipping, taxes, and duties\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat does Reference price mean?\u003c\/h3\u003e\n\u003cp\u003eReference price is for price context only. It is a planning guide, not a final selling price. Final terms are confirmed with the exact unit.\u003c\/p\u003e\n\u003ch3\u003eIs this exact unit ready to ship?\u003c\/h3\u003e\n\u003cp\u003eManual availability check required. This page identifies the model, not a guaranteed ready-to-ship unit. Timing is confirmed during the quote process.\u003c\/p\u003e\n\u003ch3\u003eCan HiFiLoop help me find another unit?\u003c\/h3\u003e\n\u003cp\u003eYes. New or like-new options can be checked on request. Share your preferred condition, accessories, budget range, and region so HiFiLoop can look for another suitable used \/ open-box option.\u003c\/p\u003e\n\u003c\/section\u003e","brand":"FiiO","offers":[{"title":"Default Title","offer_id":48313283870934,"sku":null,"price":639.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/SKU__1_f27d042f-4c81-43ff-86f7-cc32fd774799.jpg?v=1780366922"},{"product_id":"fiio-m33-r2r-dap-used","title":"FiiO M33 R2R DAP - Excellent - Verified by HiFiLoop","description":"\u003cdiv\u003e\n\u003ch2\u003eThe Audiophile's Hook\u003c\/h2\u003e\n\u003cp\u003eFiiO M33 R2R is selected for buyers who want verified used audio gear with condition, accessories, shipping, and final quote checked before payment.\u003c\/p\u003e\n\u003ch2\u003eCondition Report (The Truth)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eGrade:\u003c\/strong\u003e Excellent -- Very clean, well-cared for, with minor signs of careful use only.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNo obvious cosmetic defects observed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersion:\u003c\/strong\u003e M33 R2R\u003c\/li\u003e\n\u003cli\u003eComplete standard accessory set included unless otherwise noted.\u003c\/li\u003e\n\u003cli\u003eExcellent condition is stated in the listing notes; final cosmetic details are confirmed from the actual unit photos before payment.\u003c\/li\u003e\n\u003cli\u003eRepresentative photos shown. Final unit photos and item-specific details are shared during quote confirmation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eThe device has passed all functional tests.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eSonic Signature \u0026amp; Pairing\u003c\/h2\u003e\n\u003cp\u003eThis DAP is best evaluated as the source of the listening chain: output behavior, battery condition, storage, streaming use, and pairing needs are confirmed before final quote.\u003c\/p\u003e\n\u003cp\u003eTo unleash the full potential of this device, we recommend pairing it with gear from our \u003ca href=\"\/collections\/iems-earphones\"\u003eIEMs \u0026amp; Earphones Collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFiiO M33 R2R DAP\u003c\/li\u003e\n\u003cli\u003eComplete standard accessory set included unless otherwise noted.\u003c\/li\u003e\n\u003cli\u003eFinal included set is confirmed before payment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNext step:\u003c\/strong\u003e Use \u003cstrong\u003eCheck Availability \u0026amp; Quote\u003c\/strong\u003e so HiFiLoop can confirm availability, condition details, included accessories, destination costs, and the final quote before payment.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"FiiO","offers":[{"title":"Default Title","offer_id":48313284624598,"sku":null,"price":549.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/SKU__1_343c3813-200d-46ab-9004-47898ce5b409.jpg?v=1780367023"},{"product_id":"fiio-k15-desktop-dac-amp-used","title":"FiiO K15 desktop DAC\/AMP - Excellent - Verified by HiFiLoop","description":"\u003cdiv\u003e\n\u003ch2\u003eThe Audiophile's Hook\u003c\/h2\u003e\n\u003cp\u003eFiiO K15 is selected for buyers who want verified used audio gear with condition, accessories, shipping, and final quote checked before payment.\u003c\/p\u003e\n\u003ch2\u003eCondition Report (The Truth)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eGrade:\u003c\/strong\u003e Excellent -- Very clean, well-cared for, with minor signs of careful use only.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNo obvious cosmetic defects observed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersion:\u003c\/strong\u003e K15\u003c\/li\u003e\n\u003cli\u003eComplete standard accessory set included unless otherwise noted.\u003c\/li\u003e\n\u003cli\u003eExcellent condition is stated in the listing notes; final cosmetic details are confirmed from the actual unit photos before payment.\u003c\/li\u003e\n\u003cli\u003eRepresentative photos shown. Final unit photos and item-specific details are shared during quote confirmation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eThe device has passed all functional tests.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFiiO K15 desktop DAC\/AMP\u003c\/li\u003e\n\u003cli\u003eComplete standard accessory set included unless otherwise noted.\u003c\/li\u003e\n\u003cli\u003eFinal included set is confirmed before payment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNext step:\u003c\/strong\u003e Use \u003cstrong\u003eCheck Availability \u0026amp; Quote\u003c\/strong\u003e so HiFiLoop can confirm availability, condition details, included accessories, destination costs, and the final quote before payment.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"FiiO","offers":[{"title":"Default Title","offer_id":48313285935318,"sku":null,"price":459.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/SKU__2_13649253-aae3-4bdf-95e1-de3866bbba60.jpg?v=1780367123"},{"product_id":"used-open-box-fiio-oak-nano-iem","title":"Used \/ Open-Box FiiO OAK NANO IEM","description":"\u003csection\u003e\n\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThe FiiO OAK NANO is an IEM for compact in-ear listening with portable audio gear. HiFiLoop uses this page as a focused model page for used \/ open-box private-quote requests.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSingle dynamic driver in-ear monitor and the first model in the SNOWSKY OAK Series.\u003c\/li\u003e\n\u003cli\u003e13.8mm external-magnet dynamic driver uses a beryllium alloy dome diaphragm for fast transient response.\u003c\/li\u003e\n\u003cli\u003ePure titanium CNC-machined shell and watch-inspired design support a durable premium build.\u003c\/li\u003e\n\u003cli\u003eAcoustic Prism front chamber and airflow-controlled damped rear chamber help manage phase, bass, and resonance.\u003c\/li\u003e\n\u003cli\u003eDual swappable tuning nozzles provide two sound profiles for different listening preferences.\u003c\/li\u003e\n\u003cli\u003e0.78mm 2-pin detachable cable includes 3.5mm, 4.4mm, and Type-C DSP plug options with 8-band PEQ support.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eSingle dynamic driver IEM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDriver\u003c\/th\u003e\n\u003ctd\u003e13.8mm external-magnet dynamic driver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiaphragm\u003c\/th\u003e\n\u003ctd\u003eBeryllium alloy dome diaphragm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShell\u003c\/th\u003e\n\u003ctd\u003ePure titanium CNC-machined shell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAcoustic design\u003c\/th\u003e\n\u003ctd\u003eAcoustic Prism front chamber; airflow-controlled damped rear chamber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTuning\u003c\/th\u003e\n\u003ctd\u003eDual swappable tuning nozzles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCable\u003c\/th\u003e\n\u003ctd\u003eCryo-treated silver-plated monocrystalline copper cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConnector\u003c\/th\u003e\n\u003ctd\u003e0.78mm 2-pin detachable cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePlugs\u003c\/th\u003e\n\u003ctd\u003e3.5mm single-ended, 4.4mm balanced, and Type-C DSP decoding plugs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDSP plug\u003c\/th\u003e\n\u003ctd\u003eBES3001-SP DSP audio decoding chip with 32-bit \/ 384kHz PCM support and 8-band PEQ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSeries \/ category notes\u003c\/h2\u003e\n\u003cp\u003eThe OAK NANO sits in the SNOWSKY OAK Series and fits the Dynamic driver IEMs category, making it relevant for buyers comparing IEM options in similar listening setups.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eCondition \u0026amp; availability\u003c\/h2\u003e\n\u003cp\u003eReference page only. Manual availability check required.\u003c\/p\u003e\n\u003cp\u003eThis is a used \/ open-box reference listing.\u003c\/p\u003e\n\u003cp\u003eFinal pricing, condition, accessories, and availability are confirmed case by case.\u003c\/p\u003e\n\u003cp\u003eReference price is for price context only. Availability and final quote are confirmed manually before payment. New or like-new options can be checked on request.\u003c\/p\u003e\n\u003cp\u003eFor this IEM set, HiFiLoop checks functional status, cosmetic condition, included accessories, version details, photos, and known limitations before quoting. Where relevant, battery behavior, charging, controls, ports, and connectivity are reviewed for the specific unit being offered.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eShipping \u0026amp; support\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3–5 business days processing after confirmation\u003c\/li\u003e\n\u003cli\u003e7–15 days typical international shipping\u003c\/li\u003e\n\u003cli\u003eFree shipping over $199\u003c\/li\u003e\n\u003cli\u003e14-day DOA support\u003c\/li\u003e\n\u003cli\u003eRepair path from day 15 to day 180\u003c\/li\u003e\n\u003cli\u003eBuyer may be responsible for return shipping, taxes, and duties\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat does Reference price mean?\u003c\/h3\u003e\n\u003cp\u003eReference price is for price context only. It is a planning guide, not a final selling price. Final terms are confirmed with the exact unit.\u003c\/p\u003e\n\u003ch3\u003eIs this exact unit ready to ship?\u003c\/h3\u003e\n\u003cp\u003eManual availability check required. This page identifies the model, not a guaranteed ready-to-ship unit. Timing is confirmed during the quote process.\u003c\/p\u003e\n\u003ch3\u003eCan HiFiLoop help me find another unit?\u003c\/h3\u003e\n\u003cp\u003eYes. New or like-new options can be checked on request. Share your preferred condition, accessories, budget range, and region so HiFiLoop can look for another suitable used \/ open-box option.\u003c\/p\u003e\n\u003c\/section\u003e","brand":"FiiO","offers":[{"title":"Default Title","offer_id":48313317359830,"sku":null,"price":389.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/SKU__1_a92f44c9-eb5c-4b6a-8f9c-08d65e5cde56.jpg?v=1780368533"},{"product_id":"used-open-box-fiio-k9-pro-ess-desktop-dac-amp","title":"Used \/ Open-Box FiiO K9 Pro ESS Desktop DAC\/AMP","description":"\u003csection\u003e\n\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThe FiiO K9 Pro ESS is a Desktop DAC\/AMP for connecting digital sources to headphones or compact audio systems. HiFiLoop uses this page as a focused model page for used \/ open-box private-quote requests.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesktop DAC and headphone amplifier for USB, coaxial, optical, Bluetooth, and analog line input systems.\u003c\/li\u003e\n\u003cli\u003eDual ESS ES9038PRO DAC architecture and THX AAA 788+ amplification support desktop-grade headphone use.\u003c\/li\u003e\n\u003cli\u003eTruly balanced signal path with 4.4mm and XLR4 balanced headphone outputs plus 6.35mm single-ended output.\u003c\/li\u003e\n\u003cli\u003eQCC5124 Bluetooth reception supports AAC, SBC, aptX family codecs, LDAC, and aptX Adaptive.\u003c\/li\u003e\n\u003cli\u003eRCA and XLR line outputs support active speakers, amplifiers, and compact desktop systems.\u003c\/li\u003e\n\u003cli\u003eFIIO Control support, dual femtosecond clocks, MQA renderer support, and dual-voltage linear transformer support flexible operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eDesktop DAC\/AMP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDAC architecture\u003c\/th\u003e\n\u003ctd\u003eDual ESS ES9038PRO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUSB \/ Bluetooth\u003c\/th\u003e\n\u003ctd\u003eXMOS XUF208 USB; QCC5124 Bluetooth reception\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAmplifier\u003c\/th\u003e\n\u003ctd\u003eTHX AAA 788+ x2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLPF \/ volume\u003c\/th\u003e\n\u003ctd\u003eOPA1612 x2; NJU72315 x2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupported formats\u003c\/th\u003e\n\u003ctd\u003eUSB DAC up to 384kHz \/ 32-bit and DSD256; coaxial up to 192kHz \/ 24-bit; optical up to 96kHz \/ 24-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutputs\u003c\/th\u003e\n\u003ctd\u003e6.35mm headphone, 4.4mm balanced headphone, XLR4 balanced headphone, RCA line, XLR3 balanced line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeadphone impedance\u003c\/th\u003e\n\u003ctd\u003eRecommended 16-600 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBalanced output power\u003c\/th\u003e\n\u003ctd\u003eUp to 2.1W at 32 ohms and 1.1W at 300 ohms, THD+N \u0026lt; 1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions \/ weight\u003c\/th\u003e\n\u003ctd\u003eAbout 200 x 224.5 x 72 mm excluding feet; about 2750 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSeries \/ category notes\u003c\/h2\u003e\n\u003cp\u003eThe K9 Pro ESS sits in the FiiO K Series and fits the Desktop audio converters and amplifiers category, making it relevant for buyers comparing Desktop DAC\/AMP options in similar listening setups.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eCondition \u0026amp; availability\u003c\/h2\u003e\n\u003cp\u003eReference page only. Manual availability check required.\u003c\/p\u003e\n\u003cp\u003eThis is a used \/ open-box reference listing.\u003c\/p\u003e\n\u003cp\u003eFinal pricing, condition, accessories, and availability are confirmed case by case.\u003c\/p\u003e\n\u003cp\u003eReference price is for price context only. Availability and final quote are confirmed manually before payment. New or like-new options can be checked on request.\u003c\/p\u003e\n\u003cp\u003eFor this Desktop DAC\/AMP unit, HiFiLoop checks functional status, cosmetic condition, included accessories, version details, photos, and known limitations before quoting. Where relevant, battery behavior, charging, controls, ports, and connectivity are reviewed for the specific unit being offered.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eShipping \u0026amp; support\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3–5 business days processing after confirmation\u003c\/li\u003e\n\u003cli\u003e7–15 days typical international shipping\u003c\/li\u003e\n\u003cli\u003eFree shipping over $199\u003c\/li\u003e\n\u003cli\u003e14-day DOA support\u003c\/li\u003e\n\u003cli\u003eRepair path from day 15 to day 180\u003c\/li\u003e\n\u003cli\u003eBuyer may be responsible for return shipping, taxes, and duties\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat does Reference price mean?\u003c\/h3\u003e\n\u003cp\u003eReference price is for price context only. It is a planning guide, not a final selling price. Final terms are confirmed with the exact unit.\u003c\/p\u003e\n\u003ch3\u003eIs this exact unit ready to ship?\u003c\/h3\u003e\n\u003cp\u003eManual availability check required. This page identifies the model, not a guaranteed ready-to-ship unit. Timing is confirmed during the quote process.\u003c\/p\u003e\n\u003ch3\u003eCan HiFiLoop help me find another unit?\u003c\/h3\u003e\n\u003cp\u003eYes. New or like-new options can be checked on request. Share your preferred condition, accessories, budget range, and region so HiFiLoop can look for another suitable used \/ open-box option.\u003c\/p\u003e\n\u003c\/section\u003e","brand":"FiiO","offers":[{"title":"Default Title","offer_id":48313318080726,"sku":null,"price":379.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/SKU__1_k9PROESS.jpg?v=1780368623"},{"product_id":"used-open-box-fiio-fh7s-iem","title":"Used \/ Open-Box FiiO FH7S IEM","description":"\u003csection\u003e\n\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThe FiiO FH7S is an IEM for compact in-ear listening with portable audio gear. HiFiLoop uses this page as a focused model page for used \/ open-box private-quote requests.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHybrid in-ear monitor with one dynamic driver and four balanced armatures per side.\u003c\/li\u003e\n\u003cli\u003eLarge 13.6mm DLC dynamic driver handles bass with fast transient response.\u003c\/li\u003e\n\u003cli\u003eCustom Knowles DFK midrange drivers and SWFK-31736 treble drivers support vocal and treble detail.\u003c\/li\u003e\n\u003cli\u003eSecond-generation semi-open design and sci-fi armor shell structure support soundstage and comfort.\u003c\/li\u003e\n\u003cli\u003ePatented S.TURBO acoustic design and a notch filter help manage bass response and sibilance.\u003c\/li\u003e\n\u003cli\u003eThree tuning filters and twist-lock 3.5mm \/ 4.4mm swappable plugs support system matching.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eHybrid IEM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDriver architecture\u003c\/th\u003e\n\u003ctd\u003e1 dynamic driver plus 4 balanced armatures per side\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDynamic driver\u003c\/th\u003e\n\u003ctd\u003e13.6mm FIIO-developed DLC dynamic driver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBalanced armatures\u003c\/th\u003e\n\u003ctd\u003eCustom Knowles DFK midrange BA drivers; Knowles SWFK-31736 treble BA drivers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAcoustic design\u003c\/th\u003e\n\u003ctd\u003eSecond-generation semi-open shell; S.TURBO acoustic design; notch filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCable\u003c\/th\u003e\n\u003ctd\u003e8 strands totaling 152 silver-plated monocrystalline copper wires\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePlugs\u003c\/th\u003e\n\u003ctd\u003eTwist-lock 3.5mm single-ended and 4.4mm balanced swappable plugs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTuning\u003c\/th\u003e\n\u003ctd\u003eThree included tuning filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAccessories\u003c\/th\u003e\n\u003ctd\u003eMultiple ear-tip sets, MMCX Quick Assist, magnetic clip, carry case, cleaning brush, and filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSeries \/ category notes\u003c\/h2\u003e\n\u003cp\u003eThe FH7S sits in the FiiO FH Series and fits the Hybrid IEMs category, making it relevant for buyers comparing IEM options in similar listening setups.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eCondition \u0026amp; availability\u003c\/h2\u003e\n\u003cp\u003eReference page only. Manual availability check required.\u003c\/p\u003e\n\u003cp\u003eThis is a used \/ open-box reference listing.\u003c\/p\u003e\n\u003cp\u003eFinal pricing, condition, accessories, and availability are confirmed case by case.\u003c\/p\u003e\n\u003cp\u003eReference price is for price context only. Availability and final quote are confirmed manually before payment. New or like-new options can be checked on request.\u003c\/p\u003e\n\u003cp\u003eFor this IEM set, HiFiLoop checks functional status, cosmetic condition, included accessories, version details, photos, and known limitations before quoting. Where relevant, battery behavior, charging, controls, ports, and connectivity are reviewed for the specific unit being offered.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eShipping \u0026amp; support\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3–5 business days processing after confirmation\u003c\/li\u003e\n\u003cli\u003e7–15 days typical international shipping\u003c\/li\u003e\n\u003cli\u003eFree shipping over $199\u003c\/li\u003e\n\u003cli\u003e14-day DOA support\u003c\/li\u003e\n\u003cli\u003eRepair path from day 15 to day 180\u003c\/li\u003e\n\u003cli\u003eBuyer may be responsible for return shipping, taxes, and duties\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat does Reference price mean?\u003c\/h3\u003e\n\u003cp\u003eReference price is for price context only. It is a planning guide, not a final selling price. Final terms are confirmed with the exact unit.\u003c\/p\u003e\n\u003ch3\u003eIs this exact unit ready to ship?\u003c\/h3\u003e\n\u003cp\u003eManual availability check required. This page identifies the model, not a guaranteed ready-to-ship unit. Timing is confirmed during the quote process.\u003c\/p\u003e\n\u003ch3\u003eCan HiFiLoop help me find another unit?\u003c\/h3\u003e\n\u003cp\u003eYes. New or like-new options can be checked on request. Share your preferred condition, accessories, budget range, and region so HiFiLoop can look for another suitable used \/ open-box option.\u003c\/p\u003e\n\u003c\/section\u003e","brand":"FiiO","offers":[{"title":"Default Title","offer_id":48313321095382,"sku":null,"price":219.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/SKU__1_c5d4568d-4a17-45e3-8fab-707e6d9c68ab.jpg?v=1780368718"},{"product_id":"used-open-box-fiio-ft5-open-back-planar-headphones","title":"Used \/ Open-Box FiiO FT5 Open-Back Planar Headphones","description":"\u003csection\u003e\n\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThe FiiO FT5 is a pair of Open-Back Planar Headphones for focused headphone listening at home, work, or on the move. HiFiLoop uses this page as a focused model page for used \/ open-box private-quote requests.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOpen-back planar magnetic over-ear headphones for portable players and desktop headphone systems.\u003c\/li\u003e\n\u003cli\u003eLarge 90mm planar magnetic driver uses a 6um diaphragm and nano-level aluminum alloy coating.\u003c\/li\u003e\n\u003cli\u003eTwenty N52 neodymium magnets with up to 1.5T magnetic density support high sensitivity.\u003c\/li\u003e\n\u003cli\u003eOpen-backed acoustic structure and scientifically designed grille support a wider soundstage.\u003c\/li\u003e\n\u003cli\u003eIncluded cable uses high-purity silver-plated monocrystalline copper with swappable plug options.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eOpen planar magnetic headphones\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDriver\u003c\/th\u003e\n\u003ctd\u003e90mm planar magnetic driver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDriver material\u003c\/th\u003e\n\u003ctd\u003ePAR diaphragm plus aluminum alloy coils\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrequency response\u003c\/th\u003e\n\u003ctd\u003e7Hz-40kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eImpedance\u003c\/th\u003e\n\u003ctd\u003e36 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSensitivity\u003c\/th\u003e\n\u003ctd\u003e110dB\/Vrms at 1kHz; 96dB\/mW at 1kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum input power\u003c\/th\u003e\n\u003ctd\u003e2000mW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCable\u003c\/th\u003e\n\u003ctd\u003eAbout 1.5 m; 392 wires of high-purity silver-plated monocrystalline copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConnector\u003c\/th\u003e\n\u003ctd\u003eDual 3.5mm plugs on headphone end, with swappable audio plugs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003eAbout 456 g, excluding cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSeries \/ category notes\u003c\/h2\u003e\n\u003cp\u003eThe FT5 sits in the FiiO FT Series and fits the Planar over-ear headphones category, making it relevant for buyers comparing Open-Back Planar Headphones options in similar listening setups.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eCondition \u0026amp; availability\u003c\/h2\u003e\n\u003cp\u003eReference page only. Manual availability check required.\u003c\/p\u003e\n\u003cp\u003eThis is a used \/ open-box reference listing.\u003c\/p\u003e\n\u003cp\u003eFinal pricing, condition, accessories, and availability are confirmed case by case.\u003c\/p\u003e\n\u003cp\u003eReference price is for price context only. Availability and final quote are confirmed manually before payment. New or like-new options can be checked on request.\u003c\/p\u003e\n\u003cp\u003eFor this Open-Back Planar Headphones set, HiFiLoop checks functional status, cosmetic condition, included accessories, version details, photos, and known limitations before quoting. Where relevant, battery behavior, charging, controls, ports, and connectivity are reviewed for the specific unit being offered.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eShipping \u0026amp; support\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3–5 business days processing after confirmation\u003c\/li\u003e\n\u003cli\u003e7–15 days typical international shipping\u003c\/li\u003e\n\u003cli\u003eFree shipping over $199\u003c\/li\u003e\n\u003cli\u003e14-day DOA support\u003c\/li\u003e\n\u003cli\u003eRepair path from day 15 to day 180\u003c\/li\u003e\n\u003cli\u003eBuyer may be responsible for return shipping, taxes, and duties\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat does Reference price mean?\u003c\/h3\u003e\n\u003cp\u003eReference price is for price context only. It is a planning guide, not a final selling price. Final terms are confirmed with the exact unit.\u003c\/p\u003e\n\u003ch3\u003eIs this exact unit ready to ship?\u003c\/h3\u003e\n\u003cp\u003eManual availability check required. This page identifies the model, not a guaranteed ready-to-ship unit. Timing is confirmed during the quote process.\u003c\/p\u003e\n\u003ch3\u003eCan HiFiLoop help me find another unit?\u003c\/h3\u003e\n\u003cp\u003eYes. New or like-new options can be checked on request. Share your preferred condition, accessories, budget range, and region so HiFiLoop can look for another suitable used \/ open-box option.\u003c\/p\u003e\n\u003c\/section\u003e","brand":"FiiO","offers":[{"title":"Default Title","offer_id":48313324601558,"sku":null,"price":309.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/SKU__1_4ef38044-1923-4d81-9c7f-db2b5f004146.jpg?v=1780368813"},{"product_id":"used-open-box-fiio-warmer-r2r-desktop-r2r-tube-dac","title":"Used \/ Open-Box FiiO WARMER R2R Desktop R2R Tube DAC","description":"\u003csection\u003e\n\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThe FiiO WARMER R2R is a Desktop R2R Tube DAC for digital-to-analog conversion in a desktop or two-channel system. HiFiLoop uses this page as a focused model page for used \/ open-box private-quote requests.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesktop R2R tube buffer and DAC for USB, coaxial, and optical source systems.\u003c\/li\u003e\n\u003cli\u003eFIIO proprietary fully differential 24-bit R2R DAC architecture supports NOS and OS operation.\u003c\/li\u003e\n\u003cli\u003eTube output stage uses four E88CC tubes with OPA1642AIDR amplification support.\u003c\/li\u003e\n\u003cli\u003eMechanical VU meter and input selection controls suit desktop and rack-style setups.\u003c\/li\u003e\n\u003cli\u003eRCA single-ended and XLR3 balanced line outputs support integration with amplifiers or active speakers.\u003c\/li\u003e\n\u003cli\u003eDriver-free USB mode and USB firmware upgrade support practical long-term use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eDesktop R2R tube DAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDAC architecture\u003c\/th\u003e\n\u003ctd\u003eFIIO proprietary R2R DAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eControl \/ USB\u003c\/th\u003e\n\u003ctd\u003eGD32F303RET6 master control; SA9312L USB decoding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAmplifier \/ tubes\u003c\/th\u003e\n\u003ctd\u003eOPA1642AIDR x2 plus E88CC x4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWorking modes\u003c\/th\u003e\n\u003ctd\u003eUSB DAC, coaxial decoding, optical decoding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupported formats\u003c\/th\u003e\n\u003ctd\u003eUSB up to 384kHz \/ 32-bit; coaxial up to 192kHz \/ 24-bit; optical up to 96kHz \/ 24-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutputs\u003c\/th\u003e\n\u003ctd\u003eRCA line output and XLR3 balanced line output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDisplay\u003c\/th\u003e\n\u003ctd\u003eMechanical VU meter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions \/ weight\u003c\/th\u003e\n\u003ctd\u003eAbout 223.5 x 213 x 66.8 mm including feet; about 2865 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower supply\u003c\/th\u003e\n\u003ctd\u003eAC 100-120V or AC 220-240V regional power versions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSeries \/ category notes\u003c\/h2\u003e\n\u003cp\u003eThe WARMER R2R sits in the FiiO R2R Series and fits the Desktop audio converters category, making it relevant for buyers comparing Desktop R2R Tube DAC options in similar listening setups.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eCondition \u0026amp; availability\u003c\/h2\u003e\n\u003cp\u003eReference page only. Manual availability check required.\u003c\/p\u003e\n\u003cp\u003eThis is a used \/ open-box reference listing.\u003c\/p\u003e\n\u003cp\u003eFinal pricing, condition, accessories, and availability are confirmed case by case.\u003c\/p\u003e\n\u003cp\u003eReference price is for price context only. Availability and final quote are confirmed manually before payment. New or like-new options can be checked on request.\u003c\/p\u003e\n\u003cp\u003eFor this Desktop R2R Tube DAC unit, HiFiLoop checks functional status, cosmetic condition, included accessories, version details, photos, and known limitations before quoting. Where relevant, battery behavior, charging, controls, ports, and connectivity are reviewed for the specific unit being offered.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eShipping \u0026amp; support\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3–5 business days processing after confirmation\u003c\/li\u003e\n\u003cli\u003e7–15 days typical international shipping\u003c\/li\u003e\n\u003cli\u003eFree shipping over $199\u003c\/li\u003e\n\u003cli\u003e14-day DOA support\u003c\/li\u003e\n\u003cli\u003eRepair path from day 15 to day 180\u003c\/li\u003e\n\u003cli\u003eBuyer may be responsible for return shipping, taxes, and duties\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat does Reference price mean?\u003c\/h3\u003e\n\u003cp\u003eReference price is for price context only. It is a planning guide, not a final selling price. Final terms are confirmed with the exact unit.\u003c\/p\u003e\n\u003ch3\u003eIs this exact unit ready to ship?\u003c\/h3\u003e\n\u003cp\u003eManual availability check required. This page identifies the model, not a guaranteed ready-to-ship unit. Timing is confirmed during the quote process.\u003c\/p\u003e\n\u003ch3\u003eCan HiFiLoop help me find another unit?\u003c\/h3\u003e\n\u003cp\u003eYes. New or like-new options can be checked on request. Share your preferred condition, accessories, budget range, and region so HiFiLoop can look for another suitable used \/ open-box option.\u003c\/p\u003e\n\u003c\/section\u003e","brand":"FiiO","offers":[{"title":"Default Title","offer_id":48313325125846,"sku":null,"price":269.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/SKU__1_1c6385c5-59ea-4127-b5e6-c7f6a9a003b2.png?v=1780368948"},{"product_id":"used-open-box-fiio-ft13-closed-back-headphones","title":"Used \/ Open-Box FiiO FT13 Closed-Back Headphones","description":"\u003csection\u003e\n\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThe FiiO FT13 is a pair of Closed-Back Headphones for focused headphone listening at home, work, or on the move. HiFiLoop uses this page as a focused model page for used \/ open-box private-quote requests.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eClosed-back dynamic over-ear headphones for private listening and desktop headphone systems.\u003c\/li\u003e\n\u003cli\u003ePurpleheart wooden earcups and passive noise-reduction design support an isolated listening experience.\u003c\/li\u003e\n\u003cli\u003eLarge 60mm dynamic driver uses a wool composite nano-fiber wood diaphragm and W-shaped diaphragm design.\u003c\/li\u003e\n\u003cli\u003eU-shaped damping tube and standing-wave control structure help tune bass and reduce cavity resonance.\u003c\/li\u003e\n\u003cli\u003eFurukawa monocrystalline copper plus silver-plated oxygen-free copper cable uses swappable plugs.\u003c\/li\u003e\n\u003cli\u003eLambskin and suede earpads plus a three-axis swivel headband support comfort and fit adjustment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eClosed-back dynamic headphones\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDriver\u003c\/th\u003e\n\u003ctd\u003e60mm dynamic driver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiaphragm\u003c\/th\u003e\n\u003ctd\u003eWool composite nano-fiber wood diaphragm; W-shaped diaphragm design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrequency response\u003c\/th\u003e\n\u003ctd\u003e7Hz-40kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eImpedance\u003c\/th\u003e\n\u003ctd\u003e32 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSensitivity\u003c\/th\u003e\n\u003ctd\u003e98dB\/mW at 1kHz; 113dB\/Vrms at 1kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCable\u003c\/th\u003e\n\u003ctd\u003eAbout 1.5 m; secondary refined Furukawa monocrystalline copper plus silver-plated oxygen-free copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConnectors\u003c\/th\u003e\n\u003ctd\u003eDual 3.5mm TS headphone connectors; 3.5mm and 4.4mm audio plugs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEarcups\u003c\/th\u003e\n\u003ctd\u003ePurpleheart wood, natural wood or black finish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003eAbout 356 g, excluding cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSeries \/ category notes\u003c\/h2\u003e\n\u003cp\u003eThe FT13 sits in the FiiO FT Series and fits the Over-ear headphones category, making it relevant for buyers comparing Closed-Back Headphones options in similar listening setups.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eCondition \u0026amp; availability\u003c\/h2\u003e\n\u003cp\u003eReference page only. Manual availability check required.\u003c\/p\u003e\n\u003cp\u003eThis is a used \/ open-box reference listing.\u003c\/p\u003e\n\u003cp\u003eFinal pricing, condition, accessories, and availability are confirmed case by case.\u003c\/p\u003e\n\u003cp\u003eReference price is for price context only. Availability and final quote are confirmed manually before payment. New or like-new options can be checked on request.\u003c\/p\u003e\n\u003cp\u003eFor this Closed-Back Headphones set, HiFiLoop checks functional status, cosmetic condition, included accessories, version details, photos, and known limitations before quoting. Where relevant, battery behavior, charging, controls, ports, and connectivity are reviewed for the specific unit being offered.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eShipping \u0026amp; support\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3–5 business days processing after confirmation\u003c\/li\u003e\n\u003cli\u003e7–15 days typical international shipping\u003c\/li\u003e\n\u003cli\u003eFree shipping over $199\u003c\/li\u003e\n\u003cli\u003e14-day DOA support\u003c\/li\u003e\n\u003cli\u003eRepair path from day 15 to day 180\u003c\/li\u003e\n\u003cli\u003eBuyer may be responsible for return shipping, taxes, and duties\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat does Reference price mean?\u003c\/h3\u003e\n\u003cp\u003eReference price is for price context only. It is a planning guide, not a final selling price. Final terms are confirmed with the exact unit.\u003c\/p\u003e\n\u003ch3\u003eIs this exact unit ready to ship?\u003c\/h3\u003e\n\u003cp\u003eManual availability check required. This page identifies the model, not a guaranteed ready-to-ship unit. Timing is confirmed during the quote process.\u003c\/p\u003e\n\u003ch3\u003eCan HiFiLoop help me find another unit?\u003c\/h3\u003e\n\u003cp\u003eYes. New or like-new options can be checked on request. Share your preferred condition, accessories, budget range, and region so HiFiLoop can look for another suitable used \/ open-box option.\u003c\/p\u003e\n\u003c\/section\u003e","brand":"FiiO","offers":[{"title":"Default Title","offer_id":48313329221846,"sku":null,"price":249.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/SKU__1_e8500a31-7207-4d8e-865b-9ba174f53f25.jpg?v=1780369074"},{"product_id":"used-open-box-fiio-k13-r2r-desktop-dac-amp","title":"Used \/ Open-Box FiiO K13 R2R Desktop DAC\/AMP","description":"\u003csection\u003e\n\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThe FiiO K13 R2R is a Desktop DAC\/AMP for connecting digital sources to headphones or compact audio systems. HiFiLoop uses this page as a focused model page for used \/ open-box private-quote requests.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesktop R2R DAC and headphone amplifier for USB, coaxial, optical, and Bluetooth receiving modes.\u003c\/li\u003e\n\u003cli\u003eFIIO-developed fully differential 24-bit R2R DAC architecture supports NOS and OS listening modes.\u003c\/li\u003e\n\u003cli\u003eXU316 USB decoding and Bluetooth 5.4 reception support desktop and wireless source use.\u003c\/li\u003e\n\u003cli\u003e4.4mm balanced and 6.35mm single-ended headphone outputs support a wide headphone range.\u003c\/li\u003e\n\u003cli\u003eRCA single-ended and XLR3 balanced line outputs support integration with compact audio systems.\u003c\/li\u003e\n\u003cli\u003e1.1-inch LCD, FIIO Control support, PEQ, MQA full decoding, and IR remote support improve desktop operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eDesktop DAC\/AMP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDAC architecture\u003c\/th\u003e\n\u003ctd\u003eFIIO-developed R2R DAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSoC \/ USB\u003c\/th\u003e\n\u003ctd\u003eESP32-S3; XMOS XU316 USB decoding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAmplifier\u003c\/th\u003e\n\u003ctd\u003eOPA1642 x2 plus TPA6120A x2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWorking modes\u003c\/th\u003e\n\u003ctd\u003eUSB DAC, coaxial decoding, optical decoding, Bluetooth receiving\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupported formats\u003c\/th\u003e\n\u003ctd\u003eUSB up to 384kHz \/ 32-bit and DSD256; coaxial up to 192kHz \/ 24-bit and DSD64; optical up to 192kHz \/ 24-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBluetooth\u003c\/th\u003e\n\u003ctd\u003eBluetooth 5.4 receiving with SBC, AAC, and LDAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutputs\u003c\/th\u003e\n\u003ctd\u003e6.35mm headphone, 4.4mm balanced headphone, RCA line, XLR3 balanced line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBalanced output power\u003c\/th\u003e\n\u003ctd\u003eUp to L+R \u0026gt;= 2400mW + 2400mW at 32 ohms, high gain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions \/ weight\u003c\/th\u003e\n\u003ctd\u003eAbout 210 x 188 x 42 mm including feet; about 980 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSeries \/ category notes\u003c\/h2\u003e\n\u003cp\u003eThe K13 R2R sits in the FiiO K Series and fits the Desktop audio converters and amplifiers category, making it relevant for buyers comparing Desktop DAC\/AMP options in similar listening setups.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eCondition \u0026amp; availability\u003c\/h2\u003e\n\u003cp\u003eReference page only. Manual availability check required.\u003c\/p\u003e\n\u003cp\u003eThis is a used \/ open-box reference listing.\u003c\/p\u003e\n\u003cp\u003eFinal pricing, condition, accessories, and availability are confirmed case by case.\u003c\/p\u003e\n\u003cp\u003eReference price is for price context only. Availability and final quote are confirmed manually before payment. New or like-new options can be checked on request.\u003c\/p\u003e\n\u003cp\u003eFor this Desktop DAC\/AMP unit, HiFiLoop checks functional status, cosmetic condition, included accessories, version details, photos, and known limitations before quoting. Where relevant, battery behavior, charging, controls, ports, and connectivity are reviewed for the specific unit being offered.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eShipping \u0026amp; support\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3–5 business days processing after confirmation\u003c\/li\u003e\n\u003cli\u003e7–15 days typical international shipping\u003c\/li\u003e\n\u003cli\u003eFree shipping over $199\u003c\/li\u003e\n\u003cli\u003e14-day DOA support\u003c\/li\u003e\n\u003cli\u003eRepair path from day 15 to day 180\u003c\/li\u003e\n\u003cli\u003eBuyer may be responsible for return shipping, taxes, and duties\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat does Reference price mean?\u003c\/h3\u003e\n\u003cp\u003eReference price is for price context only. It is a planning guide, not a final selling price. Final terms are confirmed with the exact unit.\u003c\/p\u003e\n\u003ch3\u003eIs this exact unit ready to ship?\u003c\/h3\u003e\n\u003cp\u003eManual availability check required. This page identifies the model, not a guaranteed ready-to-ship unit. Timing is confirmed during the quote process.\u003c\/p\u003e\n\u003ch3\u003eCan HiFiLoop help me find another unit?\u003c\/h3\u003e\n\u003cp\u003eYes. New or like-new options can be checked on request. Share your preferred condition, accessories, budget range, and region so HiFiLoop can look for another suitable used \/ open-box option.\u003c\/p\u003e\n\u003c\/section\u003e","brand":"FiiO","offers":[{"title":"Default Title","offer_id":48313329385686,"sku":null,"price":249.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/SKU__1_ab4c225b-e2ef-4aea-aca0-99f4cd218dd3.jpg?v=1780369155"},{"product_id":"used-open-box-fiio-sp3-active-desktop-speakers","title":"Used \/ Open-Box FiiO SP3 Active Desktop Speakers","description":"\u003csection\u003e\n\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThe FiiO SP3 is a pair of Active Desktop Speakers for near-field desktop listening and compact HiFi systems. HiFiLoop uses this page as a focused model page for used \/ open-box private-quote requests.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-fidelity active desktop speaker pair for near-field HiFi desks and compact audio systems.\u003c\/li\u003e\n\u003cli\u003e3.5-inch carbon-fiber woofer and 1-inch silk tweeter support a compact two-way active design.\u003c\/li\u003e\n\u003cli\u003e2-way active crossover and TI Class-D amplification provide independent active-driver control.\u003c\/li\u003e\n\u003cli\u003eAluminum-alloy liquid die-cast cabinet and double-diffused S-shaped port tube help control resonance and bass airflow.\u003c\/li\u003e\n\u003cli\u003eSP3 uses RCA and AUX analog inputs; SP3 BT adds Bluetooth and digital input options.\u003c\/li\u003e\n\u003cli\u003eHi-Res Audio certification and compact desktop footprint suit small-room reference listening.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eHigh-fidelity active desktop speakers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDrivers\u003c\/th\u003e\n\u003ctd\u003e3.5-inch carbon-fiber woofer; 1-inch silk tweeter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCrossover\u003c\/th\u003e\n\u003ctd\u003e2-way active crossover\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrequency response\u003c\/th\u003e\n\u003ctd\u003e65Hz-20kHz (+\/-2dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAmplification\u003c\/th\u003e\n\u003ctd\u003e30W x2 woofer plus 10W x2 tweeter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInputs\u003c\/th\u003e\n\u003ctd\u003eSP3: RCA \/ AUX; SP3 BT: RCA \/ AUX \/ Type-C \/ coaxial \/ optical plus Bluetooth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBluetooth\u003c\/th\u003e\n\u003ctd\u003eSP3 BT uses Qualcomm QCC5124 with LDAC, aptX Adaptive, aptX HD, aptX LL, aptX, AAC, and SBC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCabinet\u003c\/th\u003e\n\u003ctd\u003eAluminum-alloy liquid die-cast cabinet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003eAbout 163 x 120 x 132 mm excluding base\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003eSP3 primary speaker about 1840 g; secondary speaker about 1660 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSeries \/ category notes\u003c\/h2\u003e\n\u003cp\u003eThe SP3 sits in the FiiO SP Series and fits the Active speakers category, making it relevant for buyers comparing Active Desktop Speakers options in similar listening setups.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eCondition \u0026amp; availability\u003c\/h2\u003e\n\u003cp\u003eReference page only. Manual availability check required.\u003c\/p\u003e\n\u003cp\u003eThis is a used \/ open-box reference listing.\u003c\/p\u003e\n\u003cp\u003eFinal pricing, condition, accessories, and availability are confirmed case by case.\u003c\/p\u003e\n\u003cp\u003eReference price is for price context only. Availability and final quote are confirmed manually before payment. New or like-new options can be checked on request.\u003c\/p\u003e\n\u003cp\u003eFor this speaker pair, HiFiLoop checks functional status, cosmetic condition, included accessories, version details, photos, and known limitations before quoting. Where relevant, battery behavior, charging, controls, ports, and connectivity are reviewed for the specific unit being offered.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eShipping \u0026amp; support\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3–5 business days processing after confirmation\u003c\/li\u003e\n\u003cli\u003e7–15 days typical international shipping\u003c\/li\u003e\n\u003cli\u003eFree shipping over $199\u003c\/li\u003e\n\u003cli\u003e14-day DOA support\u003c\/li\u003e\n\u003cli\u003eRepair path from day 15 to day 180\u003c\/li\u003e\n\u003cli\u003eBuyer may be responsible for return shipping, taxes, and duties\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat does Reference price mean?\u003c\/h3\u003e\n\u003cp\u003eReference price is for price context only. It is a planning guide, not a final selling price. Final terms are confirmed with the exact unit.\u003c\/p\u003e\n\u003ch3\u003eIs this exact unit ready to ship?\u003c\/h3\u003e\n\u003cp\u003eManual availability check required. This page identifies the model, not a guaranteed ready-to-ship unit. Timing is confirmed during the quote process.\u003c\/p\u003e\n\u003ch3\u003eCan HiFiLoop help me find another unit?\u003c\/h3\u003e\n\u003cp\u003eYes. New or like-new options can be checked on request. Share your preferred condition, accessories, budget range, and region so HiFiLoop can look for another suitable used \/ open-box option.\u003c\/p\u003e\n\u003c\/section\u003e","brand":"FiiO","offers":[{"title":"Default Title","offer_id":48313330958550,"sku":null,"price":189.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/SKU__1_SP3.png?v=1780369452"},{"product_id":"used-open-box-fiio-ft3-open-back-dynamic-headphones","title":"Used \/ Open-Box FiiO FT3 Open-Back Dynamic Headphones","description":"\u003csection\u003e\n\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThe FiiO FT3 is a pair of Open-Back Dynamic Headphones for focused headphone listening at home, work, or on the move. HiFiLoop uses this page as a focused model page for used \/ open-box private-quote requests.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOpen-back dynamic over-ear headphones for desktop headphone systems.\u003c\/li\u003e\n\u003cli\u003eLarge 60mm dynamic driver uses a beryllium-plated gasket and DLC diaphragm.\u003c\/li\u003e\n\u003cli\u003e350 ohm high-impedance design is intended for cleaner desktop-source matching.\u003c\/li\u003e\n\u003cli\u003eAsymmetric internal and external magnetic circuit system uses N52 neodymium magnets.\u003c\/li\u003e\n\u003cli\u003eFurukawa monocrystalline copper cable includes multiple swappable plug options.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eOpen-back dynamic over-ear headphones\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDriver\u003c\/th\u003e\n\u003ctd\u003e60mm dynamic driver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiaphragm\u003c\/th\u003e\n\u003ctd\u003eBeryllium-plated gasket plus DLC diaphragm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrequency response\u003c\/th\u003e\n\u003ctd\u003e7Hz-40kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eImpedance\u003c\/th\u003e\n\u003ctd\u003e350 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSensitivity\u003c\/th\u003e\n\u003ctd\u003e105dB at 1Vrms \/ 1kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCable\u003c\/th\u003e\n\u003ctd\u003eAbout 3 m Furukawa monocrystalline copper cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConnector\u003c\/th\u003e\n\u003ctd\u003eDual 3.5mm headphone connectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003eAbout 391 g, excluding cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIncluded plug support\u003c\/th\u003e\n\u003ctd\u003e3.5mm \/ 4.4mm swappable plugs plus 3.5mm-to-6.35mm and 4.4mm-to-XLR-4 adapters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSeries \/ category notes\u003c\/h2\u003e\n\u003cp\u003eThe FT3 sits in the FiiO FT Series and fits the Over-ear headphones category, making it relevant for buyers comparing Open-Back Dynamic Headphones options in similar listening setups.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eCondition \u0026amp; availability\u003c\/h2\u003e\n\u003cp\u003eReference page only. Manual availability check required.\u003c\/p\u003e\n\u003cp\u003eThis is a used \/ open-box reference listing.\u003c\/p\u003e\n\u003cp\u003eFinal pricing, condition, accessories, and availability are confirmed case by case.\u003c\/p\u003e\n\u003cp\u003eReference price is for price context only. Availability and final quote are confirmed manually before payment. New or like-new options can be checked on request.\u003c\/p\u003e\n\u003cp\u003eFor this Open-Back Dynamic Headphones set, HiFiLoop checks functional status, cosmetic condition, included accessories, version details, photos, and known limitations before quoting. Where relevant, battery behavior, charging, controls, ports, and connectivity are reviewed for the specific unit being offered.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eShipping \u0026amp; support\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3–5 business days processing after confirmation\u003c\/li\u003e\n\u003cli\u003e7–15 days typical international shipping\u003c\/li\u003e\n\u003cli\u003eFree shipping over $199\u003c\/li\u003e\n\u003cli\u003e14-day DOA support\u003c\/li\u003e\n\u003cli\u003eRepair path from day 15 to day 180\u003c\/li\u003e\n\u003cli\u003eBuyer may be responsible for return shipping, taxes, and duties\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat does Reference price mean?\u003c\/h3\u003e\n\u003cp\u003eReference price is for price context only. It is a planning guide, not a final selling price. Final terms are confirmed with the exact unit.\u003c\/p\u003e\n\u003ch3\u003eIs this exact unit ready to ship?\u003c\/h3\u003e\n\u003cp\u003eManual availability check required. This page identifies the model, not a guaranteed ready-to-ship unit. Timing is confirmed during the quote process.\u003c\/p\u003e\n\u003ch3\u003eCan HiFiLoop help me find another unit?\u003c\/h3\u003e\n\u003cp\u003eYes. New or like-new options can be checked on request. Share your preferred condition, accessories, budget range, and region so HiFiLoop can look for another suitable used \/ open-box option.\u003c\/p\u003e\n\u003c\/section\u003e","brand":"FiiO","offers":[{"title":"Default Title","offer_id":48313333022934,"sku":null,"price":129.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/SKU__1__350.jpg?v=1780369581"},{"product_id":"used-open-box-fiio-dm15-r2r-portable-cd-player-dac-amp","title":"Used \/ Open-Box FiiO DM15 R2R Portable CD Player DAC\/AMP","description":"\u003csection\u003e\n\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThe FiiO DM15 R2R is a Portable CD Player DAC\/AMP for connecting digital sources to headphones or compact audio systems. HiFiLoop uses this page as a focused model page for used \/ open-box private-quote requests.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePortable stereo CD player with CD playback, USB DAC mode, and Bluetooth transmitter mode.\u003c\/li\u003e\n\u003cli\u003eFIIO proprietary fully differential 24-bit R2R DAC architecture supports portable CD listening with modern digital use cases.\u003c\/li\u003e\n\u003cli\u003e3.5mm single-ended and 4.4mm balanced headphone outputs support multiple portable headphone systems.\u003c\/li\u003e\n\u003cli\u003e3.5mm and 4.4mm line outputs plus coaxial \/ optical output functions support integration with other audio systems.\u003c\/li\u003e\n\u003cli\u003eBluetooth 5.4 transmission supports SBC and aptX-family codecs.\u003c\/li\u003e\n\u003cli\u003eDesktop mode can provide high balanced output power for transportable listening.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003ePortable CD player DAC\/AMP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHardware solution\u003c\/th\u003e\n\u003ctd\u003eGD32F305RET6 master control; SGM8262 x2 op-amps; FIIO proprietary R2R DAC; QCC3095 Bluetooth; SPV5048 USB chip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWorking modes\u003c\/th\u003e\n\u003ctd\u003eCD playback, USB DAC mode, Bluetooth transmitter mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupported formats\u003c\/th\u003e\n\u003ctd\u003eUSB DAC up to 384kHz \/ 32-bit and DSD256 Native\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBluetooth\u003c\/th\u003e\n\u003ctd\u003eBluetooth 5.4 transmission with SBC, aptX, aptX HD, aptX LL, and aptX Adaptive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutputs\u003c\/th\u003e\n\u003ctd\u003e3.5mm headphone, 4.4mm balanced headphone, 3.5mm line, 4.4mm balanced line, coaxial, and optical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBalanced output power\u003c\/th\u003e\n\u003ctd\u003eUp to L+R \u0026gt;= 1150mW + 1150mW at 32 ohms in CD OS desktop mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDisplay\u003c\/th\u003e\n\u003ctd\u003e0.96-inch 80 x 160 LCD display\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions \/ weight\u003c\/th\u003e\n\u003ctd\u003eAbout 144 x 137 x 25.5 mm excluding foot pads and knobs; about 471.5 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAdaptive impedance\u003c\/th\u003e\n\u003ctd\u003e3.5mm and 4.4mm headphone outputs support 8-350 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSeries \/ category notes\u003c\/h2\u003e\n\u003cp\u003eThe DM15 R2R sits in the FiiO DM Series and fits the Portable CD players category, making it relevant for buyers comparing Portable CD Player DAC\/AMP options in similar listening setups.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eCondition \u0026amp; availability\u003c\/h2\u003e\n\u003cp\u003eReference page only. Manual availability check required.\u003c\/p\u003e\n\u003cp\u003eThis is a used \/ open-box reference listing.\u003c\/p\u003e\n\u003cp\u003eFinal pricing, condition, accessories, and availability are confirmed case by case.\u003c\/p\u003e\n\u003cp\u003eReference price is for price context only. Availability and final quote are confirmed manually before payment. New or like-new options can be checked on request.\u003c\/p\u003e\n\u003cp\u003eFor this Portable CD Player DAC\/AMP unit, HiFiLoop checks functional status, cosmetic condition, included accessories, version details, photos, and known limitations before quoting. Where relevant, battery behavior, charging, controls, ports, and connectivity are reviewed for the specific unit being offered.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eShipping \u0026amp; support\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3–5 business days processing after confirmation\u003c\/li\u003e\n\u003cli\u003e7–15 days typical international shipping\u003c\/li\u003e\n\u003cli\u003eFree shipping over $199\u003c\/li\u003e\n\u003cli\u003e14-day DOA support\u003c\/li\u003e\n\u003cli\u003eRepair path from day 15 to day 180\u003c\/li\u003e\n\u003cli\u003eBuyer may be responsible for return shipping, taxes, and duties\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat does Reference price mean?\u003c\/h3\u003e\n\u003cp\u003eReference price is for price context only. It is a planning guide, not a final selling price. Final terms are confirmed with the exact unit.\u003c\/p\u003e\n\u003ch3\u003eIs this exact unit ready to ship?\u003c\/h3\u003e\n\u003cp\u003eManual availability check required. This page identifies the model, not a guaranteed ready-to-ship unit. Timing is confirmed during the quote process.\u003c\/p\u003e\n\u003ch3\u003eCan HiFiLoop help me find another unit?\u003c\/h3\u003e\n\u003cp\u003eYes. New or like-new options can be checked on request. Share your preferred condition, accessories, budget range, and region so HiFiLoop can look for another suitable used \/ open-box option.\u003c\/p\u003e\n\u003c\/section\u003e","brand":"FiiO","offers":[{"title":"Default Title","offer_id":48313338462422,"sku":null,"price":219.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/SKU__1_7920f4a6-494e-4feb-8e2c-1743b99a38d5.jpg?v=1780369926"},{"product_id":"used-open-box-fiio-tt13-desktop-turntable-with-phono-preamp","title":"Used \/ Open-Box FiiO TT13 Desktop Turntable with Phono Preamp","description":"\u003csection\u003e\n\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThe FiiO TT13 is a Desktop Turntable with Phono Preamp for building or refining a HiFi listening setup. HiFiLoop uses this page as a focused model page for used \/ open-box private-quote requests.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFully automatic vinyl turntable with automatic tonearm operation and loop playback support.\u003c\/li\u003e\n\u003cli\u003eBuilt-in phono preamp lets the turntable connect directly to active speakers or line inputs.\u003c\/li\u003e\n\u003cli\u003eAnalog audio architecture uses JRC5532 op-amps in a two-stage amplification circuit.\u003c\/li\u003e\n\u003cli\u003eBluetooth version supports wireless transmission with Qualcomm Bluetooth platform and aptX-family codecs.\u003c\/li\u003e\n\u003cli\u003eAudio-Technica AT3600LA cartridge and custom fully automatic movement support practical vinyl playback.\u003c\/li\u003e\n\u003cli\u003eAC 100-240V or external 12V DC power supports flexible desktop placement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eDesktop vinyl turntable with phono preamp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHardware solution\u003c\/th\u003e\n\u003ctd\u003eJRC5532 op-amp x2; QCC3040 Bluetooth DAC on Bluetooth version\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMovement\u003c\/th\u003e\n\u003ctd\u003eCustom fully automatic movement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCartridge\u003c\/th\u003e\n\u003ctd\u003eAudio-Technica AT3600LA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSpeeds\u003c\/th\u003e\n\u003ctd\u003e33 1\/3 RPM and 45 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRecord size\u003c\/th\u003e\n\u003ctd\u003eSwitchable between 7-inch and 12-inch records\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBluetooth\u003c\/th\u003e\n\u003ctd\u003eBluetooth 5.2 transmission with SBC, aptX, aptX LL, and aptX HD on Bluetooth version\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLine output\u003c\/th\u003e\n\u003ctd\u003eRCA line output; output amplitude L+R \u0026gt;= 800mV + 800mV at 1kHz \/ 0dB record\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower supply\u003c\/th\u003e\n\u003ctd\u003eAC 100-240V 50\/60Hz or DC 12V \/ \u0026gt;=1A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions \/ weight\u003c\/th\u003e\n\u003ctd\u003eAbout 450 x 350 x 114 mm; about 3850 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSeries \/ category notes\u003c\/h2\u003e\n\u003cp\u003eThe TT13 sits in the FiiO TT Series and fits the Turntables \/ vinyl playback category, making it relevant for buyers comparing Desktop Turntable with Phono Preamp options in similar listening setups.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eCondition \u0026amp; availability\u003c\/h2\u003e\n\u003cp\u003eReference page only. Manual availability check required.\u003c\/p\u003e\n\u003cp\u003eThis is a used \/ open-box reference listing.\u003c\/p\u003e\n\u003cp\u003eFinal pricing, condition, accessories, and availability are confirmed case by case.\u003c\/p\u003e\n\u003cp\u003eReference price is for price context only. Availability and final quote are confirmed manually before payment. New or like-new options can be checked on request.\u003c\/p\u003e\n\u003cp\u003eFor this Desktop Turntable with Phono Preamp item, HiFiLoop checks functional status, cosmetic condition, included accessories, version details, photos, and known limitations before quoting. Where relevant, battery behavior, charging, controls, ports, and connectivity are reviewed for the specific unit being offered.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eShipping \u0026amp; support\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3–5 business days processing after confirmation\u003c\/li\u003e\n\u003cli\u003e7–15 days typical international shipping\u003c\/li\u003e\n\u003cli\u003eFree shipping over $199\u003c\/li\u003e\n\u003cli\u003e14-day DOA support\u003c\/li\u003e\n\u003cli\u003eRepair path from day 15 to day 180\u003c\/li\u003e\n\u003cli\u003eBuyer may be responsible for return shipping, taxes, and duties\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat does Reference price mean?\u003c\/h3\u003e\n\u003cp\u003eReference price is for price context only. It is a planning guide, not a final selling price. Final terms are confirmed with the exact unit.\u003c\/p\u003e\n\u003ch3\u003eIs this exact unit ready to ship?\u003c\/h3\u003e\n\u003cp\u003eManual availability check required. This page identifies the model, not a guaranteed ready-to-ship unit. Timing is confirmed during the quote process.\u003c\/p\u003e\n\u003ch3\u003eCan HiFiLoop help me find another unit?\u003c\/h3\u003e\n\u003cp\u003eYes. New or like-new options can be checked on request. Share your preferred condition, accessories, budget range, and region so HiFiLoop can look for another suitable used \/ open-box option.\u003c\/p\u003e\n\u003c\/section\u003e","brand":"FiiO","offers":[{"title":"Default Title","offer_id":48313344688342,"sku":null,"price":199.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/SKU__1_fdda26c3-2f20-47ea-8cc2-047323991fe5.jpg?v=1780370193"},{"product_id":"used-open-box-fiio-fh5s-iem","title":"Used \/ Open-Box FiiO FH5s IEM","description":"\u003csection\u003e\n\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThe FiiO FH5s is an IEM for compact in-ear listening with portable audio gear. HiFiLoop uses this page as a focused model page for used \/ open-box private-quote requests.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHybrid in-ear monitor using two dynamic drivers and two Knowles balanced armatures per side.\u003c\/li\u003e\n\u003cli\u003e12mm beryllium-plated PU-gasket dynamic driver handles low frequencies.\u003c\/li\u003e\n\u003cli\u003e6mm beryllium-plated dynamic driver supports midrange reproduction.\u003c\/li\u003e\n\u003cli\u003eKnowles 30017 balanced armatures cover high-frequency extension.\u003c\/li\u003e\n\u003cli\u003eThree tuning switches adjust low, mid, and high frequency presentation.\u003c\/li\u003e\n\u003cli\u003eTRISHELL aluminum-magnesium alloy construction and Hi-Res Audio certification support the FH Series design.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eHybrid in-ear monitor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDriver architecture\u003c\/th\u003e\n\u003ctd\u003e2 dynamic drivers plus 2 Knowles balanced armatures per side\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLow-frequency driver\u003c\/th\u003e\n\u003ctd\u003e12mm beryllium-plated PU-gasket dynamic driver with N52 magnets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMid-frequency driver\u003c\/th\u003e\n\u003ctd\u003e6mm beryllium-plated dynamic driver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHigh-frequency drivers\u003c\/th\u003e\n\u003ctd\u003eKnowles 30017 balanced armatures\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTuning\u003c\/th\u003e\n\u003ctd\u003eThree tuning switches for lows, mids, and highs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCable\u003c\/th\u003e\n\u003ctd\u003e4-strand 120-core high-purity monocrystalline silver-plated copper Litz cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePlugs\u003c\/th\u003e\n\u003ctd\u003eInterchangeable 2.5mm, 3.5mm, and 4.4mm plugs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConnector\u003c\/th\u003e\n\u003ctd\u003eExpanded MMCX connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShell\u003c\/th\u003e\n\u003ctd\u003eCNC-machined aluminum-magnesium alloy TRISHELL design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSeries \/ category notes\u003c\/h2\u003e\n\u003cp\u003eThe FH5s sits in the FiiO FH Series and fits the Hybrid IEMs category, making it relevant for buyers comparing IEM options in similar listening setups.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eCondition \u0026amp; availability\u003c\/h2\u003e\n\u003cp\u003eReference page only. Manual availability check required.\u003c\/p\u003e\n\u003cp\u003eThis is a used \/ open-box reference listing.\u003c\/p\u003e\n\u003cp\u003eFinal pricing, condition, accessories, and availability are confirmed case by case.\u003c\/p\u003e\n\u003cp\u003eReference price is for price context only. Availability and final quote are confirmed manually before payment. New or like-new options can be checked on request.\u003c\/p\u003e\n\u003cp\u003eFor this IEM set, HiFiLoop checks functional status, cosmetic condition, included accessories, version details, photos, and known limitations before quoting. Where relevant, battery behavior, charging, controls, ports, and connectivity are reviewed for the specific unit being offered.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eShipping \u0026amp; support\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3–5 business days processing after confirmation\u003c\/li\u003e\n\u003cli\u003e7–15 days typical international shipping\u003c\/li\u003e\n\u003cli\u003eFree shipping over $199\u003c\/li\u003e\n\u003cli\u003e14-day DOA support\u003c\/li\u003e\n\u003cli\u003eRepair path from day 15 to day 180\u003c\/li\u003e\n\u003cli\u003eBuyer may be responsible for return shipping, taxes, and duties\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat does Reference price mean?\u003c\/h3\u003e\n\u003cp\u003eReference price is for price context only. It is a planning guide, not a final selling price. Final terms are confirmed with the exact unit.\u003c\/p\u003e\n\u003ch3\u003eIs this exact unit ready to ship?\u003c\/h3\u003e\n\u003cp\u003eManual availability check required. This page identifies the model, not a guaranteed ready-to-ship unit. Timing is confirmed during the quote process.\u003c\/p\u003e\n\u003ch3\u003eCan HiFiLoop help me find another unit?\u003c\/h3\u003e\n\u003cp\u003eYes. New or like-new options can be checked on request. Share your preferred condition, accessories, budget range, and region so HiFiLoop can look for another suitable used \/ open-box option.\u003c\/p\u003e\n\u003c\/section\u003e","brand":"FiiO","offers":[{"title":"Default Title","offer_id":48313346490582,"sku":null,"price":159.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/SKU__1_e2daf3b0-542a-41c6-990e-96e1355127bf.jpg?v=1780370314"}],"url":"https:\/\/www.hifiloop.com\/collections\/new-arrivals.oembed","provider":"HiFiLoop","version":"1.0","type":"link"}