{"product_id":"used-open-box-moondrop-freedsp-pro-dsp-upgrade-cable","title":"MOONDROP FreeDSP Pro DSP Upgrade Cable – Used \/ Open-Box Reference Listing","description":"\u003ch2\u003eProduct overview\u003c\/h2\u003e\u003cp\u003eMOONDROP FreeDSP Pro is a miniature DAC\/AMP DSP upgrade cable for compatible 0.78mm 2-pin earphones, combining USB-C digital input, DSP adjustment, and cable functionality in one compact accessory. This used \/ open-box private quote reference page is intended for model research and manual sourcing rather than automatic checkout.\u003c\/p\u003e\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSecond-generation online interactive DSP platform for detailed headphone adjustment.\u003c\/li\u003e\n\u003cli\u003eCS43198 decoding chip in a miniature cable-format DAC\/AMP design.\u003c\/li\u003e\n\u003cli\u003eUSB-C wired lossless transmission with zero-latency use cases.\u003c\/li\u003e\n\u003cli\u003e0.78mm 2-pin connection for compatible detachable-cable earphones.\u003c\/li\u003e\n\u003cli\u003eHigh-purity Litz single-crystal copper cable material with HP-silver solder.\u003c\/li\u003e\n\u003cli\u003eRated 2Vrms output amplitude with 80mW + 80mW output power at 16Ω in the stated test condition.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKey specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct role\u003c\/th\u003e\n\u003ctd\u003eMiniature DAC\/AMP DSP upgrade cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDAC chip\u003c\/th\u003e\n\u003ctd\u003eCS43198\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConnection to earphones\u003c\/th\u003e\n\u003ctd\u003e0.78mm 2-pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInput plug\u003c\/th\u003e\n\u003ctd\u003eUSB-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDynamic range\u003c\/th\u003e\n\u003ctd\u003e127dB A-weighted @ 1kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTHD+N\u003c\/th\u003e\n\u003ctd\u003e0.00017% A-weighted @ 1kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput amplitude\u003c\/th\u003e\n\u003ctd\u003e2Vrms @ 0dBFS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput power\u003c\/th\u003e\n\u003ctd\u003e80mW + 80mW @ 16Ω, THD+N \u0026lt; 1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCable material\u003c\/th\u003e\n\u003ctd\u003eLitz OCC + HP-silver solder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eSeries \/ category notes\u003c\/h2\u003e\u003cp\u003eFreeDSP Pro is both a digital audio accessory and an upgrade cable. In HiFiLoop taxonomy, it is mapped as a cable accessory because the physical product is an earphone cable with an integrated DSP DAC\/AMP section.\u003c\/p\u003e\u003ch2\u003eCondition \u0026amp; availability\u003c\/h2\u003e\u003cp\u003eThis is a used \/ open-box reference listing.\u003c\/p\u003e\u003cp\u003eFinal pricing, condition, accessories, and availability are confirmed case by case.\u003c\/p\u003e\u003ch2\u003eShipping \u0026amp; support\u003c\/h2\u003e\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\u003ch2\u003eFAQ\u003c\/h2\u003e\u003ch3\u003eWhat does this Reference Listing mean?\u003c\/h3\u003e\u003cp\u003eIt means this page is used as a private quote and sourcing reference for MOONDROP FreeDSP Pro. HiFiLoop checks condition, version, included set, destination, and current availability before quoting.\u003c\/p\u003e\u003ch3\u003eIs this exact unit ready to ship?\u003c\/h3\u003e\u003cp\u003eNot automatically. The exact unit, condition, accessories, version, and availability are confirmed manually before payment.\u003c\/p\u003e\u003ch3\u003eCan HiFiLoop help me find another unit?\u003c\/h3\u003e\u003cp\u003eYes. Send your target model, preferred condition, destination country, and budget range, and HiFiLoop can help check used, open-box, or hard-to-find options.\u003c\/p\u003e","brand":"MOONDROP","offers":[{"title":"Default Title","offer_id":48332750487766,"sku":null,"price":99.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/s-l1600_6.webp?v=1780907304","url":"https:\/\/www.hifiloop.com\/products\/used-open-box-moondrop-freedsp-pro-dsp-upgrade-cable","provider":"HiFiLoop","version":"1.0","type":"link"}