{"product_id":"used-open-box-fiio-oak-nano-iem","title":"Used \/ Open-Box FiiO OAK NANO IEM","description":"\u003csection\u003e\n\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThe FiiO OAK NANO is an IEM for compact in-ear listening with portable audio gear. HiFiLoop uses this page as a focused model page for used \/ open-box private-quote requests.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSingle dynamic driver in-ear monitor and the first model in the SNOWSKY OAK Series.\u003c\/li\u003e\n\u003cli\u003e13.8mm external-magnet dynamic driver uses a beryllium alloy dome diaphragm for fast transient response.\u003c\/li\u003e\n\u003cli\u003ePure titanium CNC-machined shell and watch-inspired design support a durable premium build.\u003c\/li\u003e\n\u003cli\u003eAcoustic Prism front chamber and airflow-controlled damped rear chamber help manage phase, bass, and resonance.\u003c\/li\u003e\n\u003cli\u003eDual swappable tuning nozzles provide two sound profiles for different listening preferences.\u003c\/li\u003e\n\u003cli\u003e0.78mm 2-pin detachable cable includes 3.5mm, 4.4mm, and Type-C DSP plug options with 8-band PEQ support.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eSingle dynamic driver IEM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDriver\u003c\/th\u003e\n\u003ctd\u003e13.8mm external-magnet dynamic driver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiaphragm\u003c\/th\u003e\n\u003ctd\u003eBeryllium alloy dome diaphragm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShell\u003c\/th\u003e\n\u003ctd\u003ePure titanium CNC-machined shell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAcoustic design\u003c\/th\u003e\n\u003ctd\u003eAcoustic Prism front chamber; airflow-controlled damped rear chamber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTuning\u003c\/th\u003e\n\u003ctd\u003eDual swappable tuning nozzles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCable\u003c\/th\u003e\n\u003ctd\u003eCryo-treated silver-plated monocrystalline copper cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConnector\u003c\/th\u003e\n\u003ctd\u003e0.78mm 2-pin detachable cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePlugs\u003c\/th\u003e\n\u003ctd\u003e3.5mm single-ended, 4.4mm balanced, and Type-C DSP decoding plugs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDSP plug\u003c\/th\u003e\n\u003ctd\u003eBES3001-SP DSP audio decoding chip with 32-bit \/ 384kHz PCM support and 8-band PEQ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSeries \/ category notes\u003c\/h2\u003e\n\u003cp\u003eThe OAK NANO sits in the SNOWSKY OAK Series and fits the Dynamic driver IEMs category, making it relevant for buyers comparing IEM options in similar listening setups.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eCondition \u0026amp; availability\u003c\/h2\u003e\n\u003cp\u003eReference page only. Manual availability check required.\u003c\/p\u003e\n\u003cp\u003eThis is a used \/ open-box reference listing.\u003c\/p\u003e\n\u003cp\u003eFinal pricing, condition, accessories, and availability are confirmed case by case.\u003c\/p\u003e\n\u003cp\u003eReference price is for price context only. Availability and final quote are confirmed manually before payment. New or like-new options can be checked on request.\u003c\/p\u003e\n\u003cp\u003eFor this IEM set, HiFiLoop checks functional status, cosmetic condition, included accessories, version details, photos, and known limitations before quoting. Where relevant, battery behavior, charging, controls, ports, and connectivity are reviewed for the specific unit being offered.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eShipping \u0026amp; support\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3–5 business days processing after confirmation\u003c\/li\u003e\n\u003cli\u003e7–15 days typical international shipping\u003c\/li\u003e\n\u003cli\u003eFree shipping over $199\u003c\/li\u003e\n\u003cli\u003e14-day DOA support\u003c\/li\u003e\n\u003cli\u003eRepair path from day 15 to day 180\u003c\/li\u003e\n\u003cli\u003eBuyer may be responsible for return shipping, taxes, and duties\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat does Reference price mean?\u003c\/h3\u003e\n\u003cp\u003eReference price is for price context only. It is a planning guide, not a final selling price. Final terms are confirmed with the exact unit.\u003c\/p\u003e\n\u003ch3\u003eIs this exact unit ready to ship?\u003c\/h3\u003e\n\u003cp\u003eManual availability check required. This page identifies the model, not a guaranteed ready-to-ship unit. Timing is confirmed during the quote process.\u003c\/p\u003e\n\u003ch3\u003eCan HiFiLoop help me find another unit?\u003c\/h3\u003e\n\u003cp\u003eYes. New or like-new options can be checked on request. Share your preferred condition, accessories, budget range, and region so HiFiLoop can look for another suitable used \/ open-box option.\u003c\/p\u003e\n\u003c\/section\u003e","brand":"FiiO","offers":[{"title":"Default Title","offer_id":48313317359830,"sku":null,"price":389.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/SKU__1_a92f44c9-eb5c-4b6a-8f9c-08d65e5cde56.jpg?v=1780368533","url":"https:\/\/www.hifiloop.com\/products\/used-open-box-fiio-oak-nano-iem","provider":"HiFiLoop","version":"1.0","type":"link"}