{"title":"DACs \u0026 Amps","description":"\u003c!-- HiFiLoop | DACs \u0026 Amps (Parent) Collection Description | Mobile-First Accordion Standard --\u003e\u003c!-- HELP ME FIND GEAR = 帮我找设备 \/ 代客寻货 --\u003e\u003c!-- MAKE AN OFFER = 立即出价 \/ 私聊议价 --\u003e\n\u003cdiv class=\"hfl-collection hfl-dacs-amps\"\u003e\n\u003cp class=\"hfl-lede\"\u003e\u003cstrong\u003eDACs \u0026amp; Amps: shape the signal, control the drive.\u003c\/strong\u003e This archive covers the core electronics of a high-end chain—from pocketable dongles to desktop DAC\/amps and speaker amplification. Most listings are \u003cstrong\u003epre-owned \/ open-box\u003c\/strong\u003e, documented with unit-specific condition notes and practical I\/O details (what matters in daily use, not just specs).\u003c\/p\u003e\n\u003cp class=\"hfl-ctas\"\u003eIf a listing is live, \u003ca data-hfl-chat=\"make_offer\" href=\"#\" class=\"hfl-cta-link\"\u003e\u003cstrong\u003eMAKE AN OFFER\u003c\/strong\u003e\u003c\/a\u003e. If it’s sold out—or you want a quick match—\u003ca data-hfl-chat=\"find_gear\" href=\"#\" class=\"hfl-cta-link\"\u003e\u003cstrong\u003eHELP ME FIND GEAR\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv aria-hidden=\"true\" class=\"hfl-divider\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2 class=\"hfl-h2\"\u003eBrowse by\u003c\/h2\u003e\n\u003cul class=\"hfl-list\"\u003e\n\u003cli\u003e\n\u003ca title=\"Phone-first setups, dongles, and portable DAC\/amps\" href=\"\/collections\/dacs-amps-portable-dongles\"\u003e \u003cstrong\u003ePortable \/ Dongles\u003c\/strong\u003e \u003c\/a\u003e \u003cspan class=\"hfl-muted\"\u003e — pocket rigs, low-noise IEM options, travel-friendly power.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca title=\"Desktop headphone DAC\/amps and desk setups\" href=\"\/collections\/dacs-amps-desktop\"\u003e \u003cstrong\u003eDesktop\u003c\/strong\u003e \u003c\/a\u003e \u003cspan class=\"hfl-muted\"\u003e — stable control, serious headroom, clean daily workflow.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca title=\"Integrated amps and power amps for passive speakers\" href=\"\/collections\/speaker-amps\"\u003e \u003cstrong\u003eSpeaker Amps\u003c\/strong\u003e \u003c\/a\u003e \u003cspan class=\"hfl-muted\"\u003e — current delivery and load control for passive speakers.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdetails class=\"hfl-acc\"\u003e\n\u003csummary class=\"hfl-acc__summary\"\u003eWhat belongs in “DACs \u0026amp; Amps”\u003c\/summary\u003e\n\u003cdiv class=\"hfl-acc__panel\"\u003e\n\u003cp\u003eIn a simple chain, the DAC converts digital audio to analog, and the amplifier provides the control and drive your transducers need. The right choice depends on your use-case: desk vs portable vs speakers.\u003c\/p\u003e\n\u003cul class=\"hfl-list\"\u003e\n\u003cli\u003e\n\u003cspan class=\"hfl-muted\"\u003ePortable \/ Dongles:\u003c\/span\u003e phone-first listening, travel rigs, and low-noise IEM use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hfl-muted\"\u003eDesktop:\u003c\/span\u003e serious headphone setups with stable volume control and broader connectivity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hfl-muted\"\u003eSpeaker Amps:\u003c\/span\u003e integrated\/power amps designed to control passive speakers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"hfl-muted\"\u003eIf you’re unsure, tell us your source + headphones\/speakers + budget—we’ll point you to the right lane first.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"hfl-acc\"\u003e\n\u003csummary class=\"hfl-acc__summary\"\u003eHow to choose quickly (without overthinking)\u003c\/summary\u003e\n\u003cdiv class=\"hfl-acc__panel\"\u003e\n\u003cul class=\"hfl-list\"\u003e\n\u003cli\u003e\n\u003cspan class=\"hfl-muted\"\u003eStart with your “load”:\u003c\/span\u003e IEMs, full-size headphones, or passive speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hfl-muted\"\u003eThen your source:\u003c\/span\u003e phone\/tablet\/PC\/streamer and the connection you will actually use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hfl-muted\"\u003ePrioritize daily usability:\u003c\/span\u003e noise floor, gain range, controls, and ports matter more than spec sheets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hfl-muted\"\u003eMatch before you buy:\u003c\/span\u003e we can confirm pairing logic and voltage where applicable.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"hfl-muted\"\u003eSold out models are still useful—send the model name and your region and we’ll check availability through our sourcing concierge.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"hfl-acc\"\u003e\n\u003csummary class=\"hfl-acc__summary\"\u003eLoop Certified: what we document\u003c\/summary\u003e\n\u003cdiv class=\"hfl-acc__panel\"\u003e\n\u003cp\u003eUsed electronics require practical transparency. We focus on what affects ownership:\u003c\/p\u003e\n\u003cul class=\"hfl-list\"\u003e\n\u003cli\u003e\n\u003cspan class=\"hfl-muted\"\u003eCondition notes:\u003c\/span\u003e visible wear, controls, connectors, and any known quirks disclosed clearly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hfl-muted\"\u003eI\/O clarity:\u003c\/span\u003e what inputs\/outputs are present and what’s included in the box (when identifiable).\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hfl-muted\"\u003eBasic stability checks:\u003c\/span\u003e practical functionality verification appropriate to the product type.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"hfl-muted\"\u003eNeed a specific verification before buying? Message us—we’ll confirm what matters for your chain.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"hfl-acc\"\u003e\n\u003csummary class=\"hfl-acc__summary\"\u003eShipping, processing \u0026amp; voltage notes\u003c\/summary\u003e\n\u003cdiv class=\"hfl-acc__panel\"\u003e\n\u003cul class=\"hfl-list\"\u003e\n\u003cli\u003e\n\u003cspan class=\"hfl-muted\"\u003eProcessing:\u003c\/span\u003e typically 3–5 business days for inspection and packing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hfl-muted\"\u003eShipping:\u003c\/span\u003e typically 7–15 days depending on destination and line.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hfl-muted\"\u003eVoltage (when applicable):\u003c\/span\u003e desktop\/speaker gear may vary (110V\/220V\/switchable). We can confirm before checkout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hfl-muted\"\u003eDOA window:\u003c\/span\u003e 14 days for arrival functionality issues.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cp class=\"hfl-cta-bottom\"\u003e\u003cspan class=\"hfl-muted\"\u003eTell us your chain—source + headphones\/speakers + budget—and we’ll match the right DAC\/amp path.\u003c\/span\u003e \u003ca data-hfl-chat=\"find_gear\" href=\"#\" class=\"hfl-cta-link\"\u003e\u003cstrong\u003eHELP ME FIND GEAR\u003c\/strong\u003e\u003c\/a\u003e \u003cspan class=\"hfl-muted\"\u003e \/ \u003c\/span\u003e \u003ca data-hfl-chat=\"make_offer\" href=\"#\" class=\"hfl-cta-link\"\u003e\u003cstrong\u003eMAKE AN OFFER\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e","products":[{"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":"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":"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":"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":"luxury-precision-w2-acg-dongle-dac-amp-used","title":"Luxury \u0026 Precision W2 ACG Special Edition Dongle DAC\/Amp - Excellent - Verified by HiFiLoop","description":"\u003cdiv\u003e\n\u003ch2\u003eThe Audiophile's Hook\u003c\/h2\u003e\n\u003cp\u003eThe Luxury \u0026amp; Precision W2 ACG Special Edition is a “flagship dongle” built to turn a phone into a serious source—black background, strong drive, and tuning presets that let you shape the presentation on the fly. This unit is Excellent (98% new), full set, and includes a clear TPU case—high performance \/ high value, 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\u003eClear TPU case included.\u003c\/li\u003e\n\u003cli\u003eFull retail set included (box and accessories 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\u003ch2\u003eSonic Signature \u0026amp; Pairing\u003c\/h2\u003e\n\u003cp\u003eW2 ACG is designed for low noise and high control, making it a great match for sensitive IEMs and portable headphones alike. The ACG edition adds L\u0026amp;P’s tailored tuning presets (e.g., a more relaxed mode for vocal-centric tracks and a more refined mode for complex orchestral passages), so you can adapt quickly to genre and transducer.\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;\"\u003eDual Cirrus Logic CS431xx-series DACs\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\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 230mW (4.4mm) \/ 125mW (3.5mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eDynamic Range \/ SNR\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eUp to 131 dB (published)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eDigital Out\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eS\/PDIF output (shared with 3.5mm)\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;\"\u003e60 × 22 × 12.5 mm \/ 22 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\u003eLuxury \u0026amp; Precision W2 ACG Special Edition portable DAC\/amp\u003c\/li\u003e\n\u003cli\u003eClear TPU case\u003c\/li\u003e\n\u003cli\u003eFull retail box and accessories (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, noise floor, and 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":"HiFiLoop","offers":[{"title":"Default Title","offer_id":47668926021846,"sku":null,"price":149.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/Used_Luxury_Precision_W2_ACG_Special_Edition_portable_DAC_amp_in_Excellent_condition_-_product_photo.jpg?v=1767000807"},{"product_id":"shanling-ec-zero-portable-cd-player-used","title":"Shanling EC Zero Portable CD Player - Mint - Verified by HiFiLoop","description":"\u003cdiv\u003e\n  \u003ch2\u003eThe Audiophile's Hook\u003c\/h2\u003e\n  \u003cp\u003e\n    Shanling EC Zero is a modern portable CD player for people who still collect physical media—but want today’s flexibility: real headphone power, balanced output, and digital outs to feed your favorite DAC at home.\n    This unit is Mint (99% new), includes the 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\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 and 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    EC Zero is built to keep your chain clean and controlled: strong drive for portable headphones, plus line-out and S\/PDIF options when you want to use an external desktop DAC.\n    If you’re rediscovering CDs, balanced output is the fastest path to more headroom and tighter control—especially with full-size cans.\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;\"\u003eAKM AK4493S\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eHeadphone Outputs\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\u003eLine Out \/ Digital Out\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e3.5mm \u0026amp; 4.4mm line outputs; 3.5mm combined S\/PDIF (coax\/optical)\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 525mW (high gain); up to 836mW with external power (balanced)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eUSB DAC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003ePCM up to 32-bit\/768kHz; DSD up to DSD512 (published)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eCD Ripping\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e1.0× real-time CD ripping to USB storage (FAT32)\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;\"\u003e5500mAh\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 EC Zero portable CD 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":47669169455318,"sku":null,"price":289.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/shanling-ec-zero-portable-cd-player-feature_1.jpg?v=1767002871"},{"product_id":"fiio-k13-r2r-dac-used","title":"FiiO K13 R2R DAC - Excellent - Verified by HiFiLoop","description":"\u003cdiv\u003e\n\u003c!-- Version A (Tech Noir \/ Conversion-first). 中文大意：更“暗黑科技展柜”风，强调同价位高性能与“已实验室检测”。 --\u003e\n\u003ch2\u003eThe Audiophile’s Hook\u003c\/h2\u003e\n\u003cp\u003eThe FiiO K13 R2R is your desktop “resistor ladder” gateway: a fully balanced R2R DAC + headphone amp built for black-background clarity and musical flow. Get reference-grade drive and tuning flexibility for less—without paying the new-price tax.\u003c\/p\u003e\n\u003ch2\u003eCondition Report (The Truth)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eExcellent (95%)\u003c\/strong\u003e — well-cared for, with normal signs of use.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVisible cosmetic wear from regular handling (minor scuffs\/marks).\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\u003eR2R decoding is prized for its more “analog” texture—natural timbre, smoother edges, and an easy sense of flow. On the K13 R2R, that character pairs beautifully with bright-leaning headphones and detail-forward dynamics, while its strong output keeps planars under control.\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\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;\"\u003eFully differential 24-bit R2R resistor array (fully balanced signal chain)\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 2400mW + 2400mW (balanced) @ 32Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eNOS \/ OS Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eNOS for original-rate playback; OS upsampling mode (up to 384kHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eHi-Res Decode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003ePCM up to 384kHz\/32-bit, DSD256\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 5.4 (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\u003eEQ \/ Tuning\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e10-band high-precision PEQ via FiiO Control (app\/web)\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\u003eFiiO K13 R2R (unit)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccessories:\u003c\/strong\u003e Not specified in this listing. (If you need confirmation, message us before purchase.)\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 — dead on arrival? Full refund or replacement.\u003c\/li\u003e\n\u003cli\u003e🔧 \u003cstrong\u003e180-Day Warranty\u003c\/strong\u003e — free repair service (buyer covers return shipping).\u003c\/li\u003e\n\u003cli\u003e🔬 \u003cstrong\u003eLab Tested\u003c\/strong\u003e — I\/O, noise floor, channel balance, and basic stability 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\u003cstrong\u003eSee full Grading Scale in Footer Condition Guide.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMissed this? Contact 'Help Me Find Gear'.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"HiFiLoop","offers":[{"title":"Default Title","offer_id":47670681206998,"sku":null,"price":259.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/Used_FiiO_K13_R2R_DAC_in_Excellent_condition_-_product_photo.jpg?v=1767011319"}],"url":"https:\/\/www.hifiloop.com\/collections\/dacs-amps.oembed","provider":"HiFiLoop","version":"1.0","type":"link"}