{"product_id":"used-open-box-hifiman-ef1000-headphone-amplifier","title":"HIFIMAN EF1000 Used \/ Open-Box Headphone Amplifier","description":"\u003ch2\u003eProduct overview\u003c\/h2\u003e\u003cp\u003eThe HIFIMAN EF1000 is a high-end desktop headphone amplifier designed for demanding HIFIMAN planar magnetic headphone systems. This used \/ open-box private quote page helps HiFiLoop confirm the right unit and configuration before quotation.\u003c\/p\u003e\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDesktop headphone amplifier for high-end headphone systems.\u003c\/li\u003e\n\u003cli\u003ePositioned for demanding HIFIMAN planar headphones and reference desktop setups.\u003c\/li\u003e\n\u003cli\u003eLarge separate desktop chassis format rather than a portable amplifier form factor.\u003c\/li\u003e\n\u003cli\u003eUseful for buyers who want a dedicated amplifier path for flagship headphones.\u003c\/li\u003e\n\u003cli\u003eExact input\/output configuration, voltage version, cosmetic condition, and included accessories are confirmed before quote.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKey specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eHIFIMAN EF1000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct category\u003c\/th\u003e\n\u003ctd\u003eDesktop headphone amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePrimary role\u003c\/th\u003e\n\u003ctd\u003eHeadphone amplification for high-end desktop systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIntended headphone matching\u003c\/th\u003e\n\u003ctd\u003eDemanding HIFIMAN planar magnetic headphones, including flagship models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eChassis format\u003c\/th\u003e\n\u003ctd\u003eFull-size desktop \/ separates-style amplifier component\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInput \/ output check points\u003c\/th\u003e\n\u003ctd\u003eBalanced and single-ended input availability, headphone outputs, pre-out \/ speaker output availability, and operating mode confirmed before quote\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower \/ region check\u003c\/th\u003e\n\u003ctd\u003eRegional AC voltage version and power cable type confirmed case by case\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAccessory check points\u003c\/th\u003e\n\u003ctd\u003ePower cable, signal cable set, remote if included, documentation, packaging, and any adapter accessories confirmed before quote\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDetailed electrical specifications\u003c\/th\u003e\n\u003ctd\u003eExact output power, gain, input impedance, and output format can be confirmed against the actual unit before quote\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eSeries \/ category notes\u003c\/h2\u003e\u003cp\u003eEF1000 is routed as a desktop headphone amplifier for HiFiLoop category handling.\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 is a private quote page for a used or open-box unit. HiFiLoop confirms the final unit details before quotation.\u003c\/p\u003e\u003ch3\u003eIs this exact unit ready to ship?\u003c\/h3\u003e\u003cp\u003eNot automatically. Each unit is checked case by case before a quote is confirmed.\u003c\/p\u003e\u003ch3\u003eCan HiFiLoop help me find another unit?\u003c\/h3\u003e\u003cp\u003eYes. Send your target model, destination country, condition preference, and any version or accessory requirements.\u003c\/p\u003e","brand":"HIFIMAN","offers":[{"title":"Default Title","offer_id":48350893867222,"sku":null,"price":10929.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/1_1__1_903bb560-4835-400c-9c45-f2a6dde265b1.jpg?v=1781170107","url":"https:\/\/www.hifiloop.com\/th\/products\/used-open-box-hifiman-ef1000-headphone-amplifier","provider":"HiFiLoop","version":"1.0","type":"link"}