{"title":"IEMs \u0026 Earphones","description":"\u003c!-- HiFiLoop | IEMs \u0026 Earphones Collection Description | Final v4 (Condensed to 6 Accordions, Conversion-Friendly + High-Trust) --\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-iems-earphones\"\u003e\n\u003cp class=\"hfl-lede\"\u003e\u003cstrong\u003eThe HiFiLoop IEMs \u0026amp; Earphones Archive\u003c\/strong\u003e is a reference-first index of audiophile \u003cstrong\u003ein-ear\u003c\/strong\u003e gear—\u003cstrong\u003eused\u003c\/strong\u003e, \u003cstrong\u003eopen-box\u003c\/strong\u003e, and occasional rare inventory—published with unit-specific notes on \u003cstrong\u003efit\u003c\/strong\u003e, \u003cstrong\u003efilters\/airflow\u003c\/strong\u003e, \u003cstrong\u003esource matching\u003c\/strong\u003e, and \u003cstrong\u003econnector \/ revision\u003c\/strong\u003e cues \u003cem\u003ewhen identifiable\u003c\/em\u003e.\u003c\/p\u003e\n\u003cp class=\"hfl-ctas\"\u003eIf a page shows \u003cstrong\u003eSold Out\u003c\/strong\u003e, use \u003ca title=\"Request sourcing by connector (2-pin\/MMCX), fit\/nozzle preferences, filter\/airflow condition, source matching (impedance sensitivity), and tonal target\" data-hfl-chat=\"find_gear\" class=\"hfl-cta-link\" href=\"#\"\u003e\u003cstrong\u003eHELP ME FIND GEAR\u003c\/strong\u003e\u003c\/a\u003e. For active listings, use \u003ca title=\"Request a private offer on an active listing\" data-hfl-chat=\"make_offer\" class=\"hfl-cta-link\" href=\"#\"\u003e\u003cstrong\u003eMAKE AN OFFER\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv class=\"hfl-divider\" aria-hidden=\"true\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2 class=\"hfl-h2\"\u003eBrowse by Format\u003c\/h2\u003e\n\u003cul class=\"hfl-list\"\u003e\n\u003cli\u003e\n\u003ca title=\"Wired IEMs Collection\" href=\"\/collections\/wired-iems\"\u003e\u003cstrong\u003eWired IEMs\u003c\/strong\u003e\u003c\/a\u003e \u003cspan class=\"hfl-muted\"\u003e— maximum resolution ceiling; fit + filters + source matching matter.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca title=\"Earbuds Collection\" href=\"\/collections\/earbuds\"\u003e\u003cstrong\u003eEarbuds\u003c\/strong\u003e\u003c\/a\u003e \u003cspan class=\"hfl-muted\"\u003e— open-fit; more position-driven than seal-driven, with a different headstage behavior.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca title=\"Wireless \/ TWS Collection\" href=\"\/collections\/wireless-tws\"\u003e\u003cstrong\u003eWireless (TWS)\u003c\/strong\u003e\u003c\/a\u003e \u003cspan class=\"hfl-muted\"\u003e— daily-driver practicality; app\/battery reality and tuning discipline.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"hfl-divider\" aria-hidden=\"true\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c!-- Accordion (Condensed Set: 6) --\u003e\n\u003cdetails class=\"hfl-acc\" data-hfl-acc=\"\"\u003e\n\u003csummary class=\"hfl-acc__summary\"\u003eFit \u0026amp; Insertion Depth (Where the Tuning Shifts)\u003c\/summary\u003e\n\u003cdiv class=\"hfl-acc__panel\"\u003e\n\u003cp\u003eIEMs are highly sensitive to \u003cstrong\u003einsertion depth\u003c\/strong\u003e, nozzle position, and ear-canal geometry. Small changes can shift upper-mids\/treble perception and stage focus. If you’re sensitive to shout, sibilance, or pressure build-up, tell us—fit constraints narrow the shortlist fast.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"hfl-acc\" data-hfl-acc=\"\"\u003e\n\u003csummary class=\"hfl-acc__summary\"\u003eTips, Nozzles \u0026amp; Filters (Airflow = Channel Balance)\u003c\/summary\u003e\n\u003cdiv class=\"hfl-acc__panel\"\u003e\n\u003cp\u003eTips and nozzles are acoustic interfaces. Bore size, material, and nozzle geometry can change tonal center and perceived speed. Many IEMs also rely on \u003cstrong\u003efilter mesh\u003c\/strong\u003e to shape the upper range.\u003c\/p\u003e\n\u003cp class=\"hfl-muted\"\u003e\u003cstrong\u003eClogged filter mesh is a common “false imbalance” cause\u003c\/strong\u003e (one side quieter) due to airflow restriction—not necessarily driver failure. Where accessible and safe to verify, we screen \u003cstrong\u003efilter integrity \u0026amp; airflow consistency\u003c\/strong\u003e and disclose notable conditions at the listing level.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"hfl-acc\" data-hfl-acc=\"\"\u003e\n\u003csummary class=\"hfl-acc__summary\"\u003eSource Matching (Hiss + Impedance Sensitivity \/ FR Shift)\u003c\/summary\u003e\n\u003cdiv class=\"hfl-acc__panel\"\u003e\n\u003cp\u003eHigh-sensitivity IEMs can expose \u003cstrong\u003enoise floor (hiss)\u003c\/strong\u003e, but the bigger audiophile issue is \u003cstrong\u003eimpedance sensitivity\u003c\/strong\u003e: output impedance and damping behavior can create a \u003cstrong\u003efrequency response shift\u003c\/strong\u003e, especially on multi-driver designs. Share your source\/DAP\/DAC\/amp and output type—we’ll steer you toward stable matches.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"hfl-acc\" data-hfl-acc=\"\"\u003e\n\u003csummary class=\"hfl-acc__summary\"\u003eConnectors, Termination \u0026amp; Cable Condition\u003c\/summary\u003e\n\u003cdiv class=\"hfl-acc__panel\"\u003e\n\u003cp\u003eWe document connector standards (2-pin\/MMCX\/proprietary) and terminations (3.5\/2.5\/4.4) when identifiable to avoid ecosystem surprises.\u003c\/p\u003e\n\u003cp class=\"hfl-muted\"\u003e\u003cstrong\u003eCable sheath condition\u003c\/strong\u003e is noted when relevant (no stiffening \/ no oxidation discoloration observed unless disclosed) because it affects ownership experience and resale confidence—even if sound is unaffected.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"hfl-acc\" data-hfl-acc=\"\"\u003e\n\u003csummary class=\"hfl-acc__summary\"\u003eThe HiFiLoop Bench-Test Protocol (IEM)\u003c\/summary\u003e\n\u003cdiv class=\"hfl-acc__panel\"\u003e\n\u003cp\u003e\u003cstrong\u003eThe HiFiLoop Bench-Test Protocol\u003c\/strong\u003e indicates a failure-focused review before publishing, typically including:\u003c\/p\u003e\n\u003cul class=\"hfl-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel Balance \u0026amp; Phase Integrity:\u003c\/strong\u003e obvious balance\/polarity anomalies screened where detectable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter \/ Airflow Screening:\u003c\/strong\u003e nozzle\/filter mesh checked for clog-related level shifts where accessible and safe to verify.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Integrity:\u003c\/strong\u003e connector stability and termination condition noted when applicable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccessories \u0026amp; configuration:\u003c\/strong\u003e what’s included is confirmed against the listing (tips\/filters\/cables\/adapters\/case\/box where applicable).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"hfl-muted\"\u003eQuick answers: \u003cstrong\u003eone side quieter\u003c\/strong\u003e is often filter\/airflow-related; \u003cstrong\u003edifferent sound on different sources\u003c\/strong\u003e can be impedance-sensitivity FR shift; ask and we’ll confirm compatibility upfront.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"hfl-acc\" data-hfl-acc=\"\"\u003e\n\u003csummary class=\"hfl-acc__summary\"\u003eSanitization Protocol (Skin-Contact Matters)\u003c\/summary\u003e\n\u003cdiv class=\"hfl-acc__panel\"\u003e\n\u003cp\u003eFor in-ear gear, hygiene isn’t optional. Units are prepared with a \u003cstrong\u003esanitization protocol\u003c\/strong\u003e focused on \u003cstrong\u003eskin-contact surfaces\u003c\/strong\u003e and the nozzle interface, using material-safe methods.\u003c\/p\u003e\n\u003cp class=\"hfl-muted\"\u003e\u003cstrong\u003eUltrasonic cleaning is accessories-only\u003c\/strong\u003e (removable tips\/accessories where applicable)—never drivers or sensitive internals.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdiv class=\"hfl-divider\" aria-hidden=\"true\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp class=\"hfl-cta-bottom\"\u003e\u003cstrong\u003eChasing a specific IEM revision—or want fit, hygiene, and source matching confirmed?\u003c\/strong\u003e Use \u003ca title=\"Request sourcing via concierge\" data-hfl-chat=\"find_gear\" class=\"hfl-cta-link\" href=\"#\"\u003e\u003cstrong\u003eHELP ME FIND GEAR\u003c\/strong\u003e\u003c\/a\u003e and include your budget, chain (DAP\/DAC\/amp), output type, and what you want to avoid (shout, sibilance, mid-bass bloom).\u003c\/p\u003e\n\u003c\/div\u003e","products":[{"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":"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":"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":"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":"dunu-glacier-iem-used","title":"DUNU GLACIER Wired IEMs - Good - Verified by HiFiLoop","description":"\u003cdiv\u003e\n  \u003ch2\u003eThe Audiophile's Hook\u003c\/h2\u003e\n  \u003cp\u003e\n    DUNU GLACIER is a flagship tribrid IEM built for precision: a weighty low-end foundation, crisp separation, and a pitch-black background that makes micro-detail pop without turning harsh.\n    Get reference-tier 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\u003eGood \/ Workhorse Condition:\u003c\/strong\u003e Visible cosmetic wear from normal use, but built for daily listening and strong value.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eNormal signs of use (minor scuffs\/wear consistent with regular handling).\u003c\/li\u003e\n    \u003cli\u003eIncluded items are exactly what is 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    GLACIER is tuned for speed and refinement: authoritative bass control, clean layering through the mids, and airy treble extension that helps stage depth and image focus.\n    Pair it with a clean, stable source to maximize separation and keep transients tight.\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\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eWired in-ear monitors (IEMs)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eDriver Topology\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eTribrid (dynamic + balanced armature + electrostatic)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eCable Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eDetachable cable (model-dependent connector; see photos)\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;\"\u003eGood (normal signs of use)\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 GLACIER IEMs\u003c\/li\u003e\n    \u003cli\u003eItems shown in the 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":47671138255062,"sku":null,"price":1009.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/Used_DUNU_GLACIER_wired_IEMs_in_Good_condition_-_product_photo.jpg?v=1767012854"},{"product_id":"dunu-vulkan-2-iem-used","title":"DUNU Vulkan 2 Wired IEMs - Mint - Verified by HiFiLoop","description":"\u003cdiv\u003e\n  \u003ch2\u003eThe Audiophile's Hook\u003c\/h2\u003e\n  \u003cp\u003e\n    DUNU Vulkan 2 is an 8-driver hybrid IEM built for speed, separation, and controlled low-end authority—dual dynamic woofers backed by a multi-BA array for clean layering and refined top-end detail.\n    This unit is Mint (99% new) and comes as a full set, 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.\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    Vulkan 2’s layout is purpose-built: dedicated sub-bass and bass dynamic drivers for weight and control, then balanced armatures to keep vocals and treble fast, clean, and well-separated.\n    Pair it with a resolving source to maximize imaging precision and dynamic contrast.\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 Array\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e2 Dynamic + 6 Balanced Armature (per side)\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;\"\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;\"\u003e113 dB\/mW (@1kHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eShell Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eAerospace-grade aluminum alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eCable Connector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e0.78mm 2-pin\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003ePlugs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eQ-Lock Mini modular plug system (3.5mm SE + 4.4mm BAL)\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 Vulkan 2 IEMs\u003c\/li\u003e\n    \u003cli\u003eFull retail box and accessories (full set)\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":47671239278806,"sku":null,"price":309.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/Used_DUNU_Vulkan_2_wired_IEMs_in_Mint_condition_-_product_photo.jpg?v=1767013196"},{"product_id":"nicehck-nx8-3-5mm-iem-used","title":"NiceHCK NX8 Wired IEMs (3.5mm) - Mint - Verified by HiFiLoop","description":"\u003cdiv\u003e\n  \u003ch2\u003eThe Audiophile's Hook\u003c\/h2\u003e\n  \u003cp\u003e\n    NiceHCK NX8 is a flagship-style tribrid IEM engineered for high resolution without losing musical impact—an 8-driver architecture designed to separate, layer, and stay clean under complex mixes.\n    This unit is Mint (99% new), 3.5mm version, and includes the full retail 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\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    \u003cli\u003e3.5mm single-ended version.\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    NX8’s tribrid driver stack is built to cover the full spectrum: a dynamic driver for low-end foundation, balanced armatures for fast mid\/treble articulation, and a piezoelectric element for top-end extension.\n    For the best imaging and control, pair it with a clean, stable DAP and experiment with tips to dial in seal and tonal balance.\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;\"\u003e1DD + 6BA + 1PZT (per side)\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;\"\u003e19Ω\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;\"\u003e111 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;\"\u003e20 Hz – 30 kHz\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;\"\u003e0.78mm 2-pin\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;\"\u003e3.5mm single-ended\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\u003eNiceHCK NX8 IEMs\u003c\/li\u003e\n    \u003cli\u003eOriginal 3.5mm cable\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, 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":47671620894934,"sku":null,"price":129.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/Used_NiceHCK_NX8_wired_IEMs_3.5mm_in_Mint_condition_-_product_photo.jpg?v=1767014630"},{"product_id":"nicehck-ebx25ti-earbuds-4-4mm-used","title":"NiceHCK EBX25Ti Earbuds (4.4mm) - Mint - Verified by HiFiLoop","description":"\u003cdiv\u003e\n  \u003ch2\u003eThe Audiophile's Hook\u003c\/h2\u003e\n  \u003cp\u003e\n    NiceHCK EBX25Ti is a flagship flathead earbud built for clarity, speed, and effortless detail—titanium-alloy craftsmanship with a large dynamic driver for a clean, spacious, speaker-like feel.\n    Mint condition, full set, verified by HiFiLoop—serious performance at used-market value.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eCondition Report (The Truth)\u003c\/h2\u003e\n  \u003cp\u003e\u003cstrong\u003eMint \/ Collector Quality:\u003c\/strong\u003e Pristine, like new with minimal handling marks.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003e4.4mm balanced version.\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\n  \u003ch2\u003eSonic Signature \u0026amp; Pairing\u003c\/h2\u003e\n  \u003cp\u003e\n    EBX25Ti is designed to balance clarity with smoothness: crisp layering, a fast transient response, and airy extension that keeps the presentation open and fatigue-free.\n    Pair it with a clean, low-noise DAP to maximize imaging precision and micro-detail—especially from the 4.4mm balanced output.\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\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eWired flathead earbuds\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;\"\u003e14.2mm beryllium-plated dynamic driver (dome)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eShell Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eTitanium alloy\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\u003eSensitivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e117 dB\/mW\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eConnector \/ Termination\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eDetachable MMCX; 4.4mm balanced plug\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\u003eNiceHCK EBX25Ti earbuds\u003c\/li\u003e\n    \u003cli\u003eOriginal detachable cable (4.4mm)\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 integrity, 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\n","brand":"HiFiLoop","offers":[{"title":"Default Title","offer_id":47683802497238,"sku":null,"price":219.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/Used_NiceHCK_EBX25Ti_flathead_earbuds_4.4mm_in_Mint_condition_-_product_photo.jpg?v=1767063104"},{"product_id":"acoustune-hs1900x-shinogi-iem-used","title":"Acoustune HS1900X “SHINOGI” Wired IEMs - Mint - Verified by HiFiLoop","description":"\u003cdiv\u003e\n  \u003ch2\u003eThe Audiophile's Hook\u003c\/h2\u003e\n  \u003cp\u003e\n    Acoustune HS1900X “SHINOGI” is Japanese metalcraft turned into sound—fast, articulate dynamics with a clean, high-contrast presentation that stays controlled when the mix gets dense.\n    Mint condition, full set: reference-grade detail and build at a smarter-than-new price, 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 Pristine, 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    HS1900X is built around a single high-quality dynamic driver, aiming for natural timbre with speed and punch—an excellent match for listeners who want realistic instrument texture without losing separation.\n    For best results, pair it with a low-noise DAP and use the balanced output to maximize headroom and control.\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;\"\u003e10mm 3rd-gen Myrinx composite 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;\"\u003e24Ω\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;\"\u003e110 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;\"\u003e10 Hz – 25 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eBuild\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eCNC titanium outer shell + multi-layer dry carbon fiber internal structure\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eCable \/ Termination\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eARC93 (tin-plated OFC), 4.4mm TRRRS balanced\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;\"\u003ePentaconn Ear\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\u003eAcoustune HS1900X “SHINOGI” IEMs\u003c\/li\u003e\n    \u003cli\u003eARC93 stock cable (4.4mm balanced)\u003c\/li\u003e\n    \u003cli\u003eEar tips (AEX50 S\/M\/L + AEX70 S\/M\/L)\u003c\/li\u003e\n    \u003cli\u003eAluminum protective case + portable carrying case\u003c\/li\u003e\n    \u003cli\u003eEarphone clip and strap\u003c\/li\u003e\n    \u003cli\u003eRetail box and accessories (full set, 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 integrity, 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\n","brand":"HiFiLoop","offers":[{"title":"Default Title","offer_id":47684679499990,"sku":null,"price":779.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/acoustune-hs1900x-shinogi-iem-feature_1.jpg?v=1767065628"},{"product_id":"earacoustic-audio-silver-angel-spa-limited-edition-iem-used","title":"EarAcoustic Audio Silver Angel SPA-Limited Edition (Silver Snake Collector’s Version) IEM - Mint - Verified by HiFiLoop","description":"\u003cdiv\u003e\n  \u003ch2\u003eThe Audiophile's Hook\u003c\/h2\u003e\n  \u003cp\u003e\n    The Silver Angel SPA-Limited Edition (Silver Snake Collector’s Version) is a statement-piece IEM built for immersive, high-end portable listening.\n    Get the flagship vibe and collector-grade presentation for less—serious performance, serious value, zero compromises in daily enjoyment.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eCondition Report (The Truth)\u003c\/h2\u003e\n  \u003cp\u003e\u003cstrong\u003eGrade:\u003c\/strong\u003e Mint — collector quality, 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 original set included.\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\n  \u003ch2\u003eSonic Signature \u0026amp; Pairing\u003c\/h2\u003e\n  \u003cp\u003e\n    This limited-edition IEM is made for listeners who want an enveloping, “in-the-music” experience on the go—great for long sessions and modern portable rigs.\n    Pair it with a clean, high-current source to maximize separation, dynamics, and control.\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\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eEarAcoustic Audio\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eSilver Angel SPA-Limited Edition (Silver Snake Collector’s Version)\u003c\/td\u003e\n    \u003c\/tr\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;\"\u003eWired In-Ear Monitor (IEM)\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 (99% like new)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eAccessories\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eFull original retail set 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\u003eEarAcoustic Audio Silver Angel SPA-Limited Edition IEMs\u003c\/li\u003e\n    \u003cli\u003eFull original retail set (box + standard accessories as 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✅ \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 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?\u003c\/strong\u003e Contact 'Help Me Find Gear'.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"HiFiLoop","offers":[{"title":"Default Title","offer_id":47684780261590,"sku":null,"price":379.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/Used_EarAcoustic_Audio_Silver_Angel_SPA-Limited_Edition_IEM_in_Mint_condition_-_product_photo.jpg?v=1767071089"},{"product_id":"fiio-fx17-iems-used","title":"FiiO FX17 IEMs - Excellent - Verified by HiFiLoop","description":"\u003cdiv\u003e\n\u003ch2\u003eThe Audiophile's Hook\u003c\/h2\u003e\n\u003cp\u003eThe FiiO FX17 is a flagship tribrid IEM built for buyers who want a high-resolution in-ear monitor with a complex multi-driver architecture and flexible cable termination options.\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 FX17\u003c\/li\u003e\n\u003cli\u003eComplete standard accessory set included unless otherwise noted.\u003c\/li\u003e\n\u003cli\u003eThe Audiophile's Hook The FiiO FX17 is a flagship tribrid IEM built for buyers who want a high-resolution in-ear monitor with a complex multi-driver architecture and flexible cable termination options\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\u003eThe FX17 is built for detail-focused IEM listening. Fit, eartip condition, cable set, plug options, and hygiene-sensitive parts are confirmed before payment.\u003c\/p\u003e\n\u003cp\u003eIt is especially suitable for buyers who want a resolving wired IEM to pair with a capable DAP, dongle, or desktop DAC\/AMP.\u003c\/p\u003e\n\u003cp\u003eTo unleash the full potential of this device, we recommend pairing it with gear from our \u003ca href=\"\/collections\/daps\"\u003eDAPs 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\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eFiiO FX17\u003c\/td\u003e\n\u003c\/tr\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;\"\u003eFlagship tribrid wired IEM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eDriver Architecture\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e1 dynamic driver, 4 balanced armatures, and 8 electrostatic drivers per side\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;\"\u003eTitanium shell construction\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;\"\u003eMixed gold, silver, and copper cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003ePlug Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eSwappable 3.5mm, 4.4mm, and Type-C plugs\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;\"\u003eMMCX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFiiO FX17 IEMs\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":48314733953238,"sku":null,"price":1299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/D139EC74115531C2C1F85F651C1C98D3.jpg?v=1780391257"},{"product_id":"fiio-fa19-iems-used","title":"FiiO FA19 IEMs - Excellent - Verified by HiFiLoop","description":"\u003cdiv\u003e\n\u003ch2\u003eThe Audiophile's Hook\u003c\/h2\u003e\n\u003cp\u003eThe FiiO FA19 is a flagship all-balanced-armature IEM for listeners who want high resolution, fast driver response, and a flexible monitor or HiFi tuning switch in a compact wired setup.\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 FA19\u003c\/li\u003e\n\u003cli\u003eComplete standard accessory set included unless otherwise noted.\u003c\/li\u003e\n\u003cli\u003eExcellent condition details are confirmed during quote review.\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\u003eThe FA19 is a resolving all-BA IEM where fit, eartip condition, cable condition, tuning-switch behavior, and hygiene-sensitive parts are confirmed before payment.\u003c\/p\u003e\n\u003cp\u003eIt is especially suitable for buyers who want a compact wired IEM for high-detail portable or desktop listening chains.\u003c\/p\u003e\n\u003cp\u003eTo unleash the full potential of this device, we recommend pairing it with gear from our \u003ca href=\"\/collections\/daps\"\u003eDAPs 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\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eFiiO FA19\u003c\/td\u003e\n\u003c\/tr\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;\"\u003eFlagship wired IEM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eDriver Architecture\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e10 Knowles balanced armature drivers per side\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eTuning\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eMonitor \/ HiFi mode switch\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;\"\u003eDLP 3D printed shell\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;\"\u003e8 strands of 224 wires pure silver 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;\"\u003eMMCX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFiiO FA19 IEMs\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":48315612856534,"sku":null,"price":659.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/img_2_64b06e5b-21b7-4b37-96cb-aab51649885a.jpg?v=1780395307"}],"url":"https:\/\/www.hifiloop.com\/collections\/iems-earphones.oembed","provider":"HiFiLoop","version":"1.0","type":"link"}