{"product_id":"used-open-box-hifiman-ef600-desktop-dac-amplifier","title":"HIFIMAN EF600 Used \/ Open-Box Balanced Desktop DAC Amplifier","description":"\u003ch2\u003eProduct overview\u003c\/h2\u003e\u003cp\u003eThe HIFIMAN EF600 is a balanced desktop DAC\/amplifier that can work as a DAC, a headphone amplifier, or a desktop hub for balanced and single-ended headphone listening. This used \/ open-box private quote page helps HiFiLoop confirm the exact unit, condition, accessories, and availability before quotation.\u003c\/p\u003e\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDual HYMALAYA Pro DAC module architecture for HIFIMAN’s discrete R2R-style conversion platform.\u003c\/li\u003e\n\u003cli\u003eFront-panel outputs include 6.35mm single-ended and 4-pin XLR balanced headphone output.\u003c\/li\u003e\n\u003cli\u003eRear connectivity includes RCA, USB-B, USB-C, and balanced XLR line outputs.\u003c\/li\u003e\n\u003cli\u003eFour-level function switch supports high\/low gain and NOS\/OS operation modes.\u003c\/li\u003e\n\u003cli\u003ePublished output reaches 5.12W per channel into 32Ω balanced and 1.8W per channel into 32Ω unbalanced.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKey specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eBalanced desktop DAC \/ headphone amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDAC platform\u003c\/th\u003e\n\u003ctd\u003eDual HYMALAYA Pro modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDigital inputs\u003c\/th\u003e\n\u003ctd\u003eUSB-B, USB-C, coaxial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAnalog inputs\u003c\/th\u003e\n\u003ctd\u003eRCA, XLR balanced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeadphone outputs\u003c\/th\u003e\n\u003ctd\u003e6.35mm single-ended, 4-pin XLR balanced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLine outputs\u003c\/th\u003e\n\u003ctd\u003eXLR balanced, RCA single-ended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSignal-to-noise ratio\u003c\/th\u003e\n\u003ctd\u003e118±3dB, A-weighted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTHD+N line output\u003c\/th\u003e\n\u003ctd\u003e0.0014%, -8dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eChannel separation\u003c\/th\u003e\n\u003ctd\u003e131±3dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum headphone output\u003c\/th\u003e\n\u003ctd\u003e5.12W\/ch @ 32Ω balanced; 1.8W\/ch @ 32Ω unbalanced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e104 × 135mm top, 104 × 165mm bottom, 283mm height\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003eApproximately 6.8lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eSeries \/ category notes\u003c\/h2\u003e\u003cp\u003eEF600 is part of HIFIMAN’s desktop DAC\/amplifier category and is best matched with full-size headphones that benefit from balanced output and controlled gain settings.\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 \/ open-box unit. HiFiLoop confirms the exact unit details before quotation.\u003c\/p\u003e\u003ch3\u003eIs this exact unit ready to ship?\u003c\/h3\u003e\u003cp\u003eNot automatically. This page is used to request a quote and confirm a matching unit; availability is confirmed case by case.\u003c\/p\u003e\u003ch3\u003eCan HiFiLoop help me find another unit?\u003c\/h3\u003e\u003cp\u003eYes. If this configuration is not available, HiFiLoop can help look for a matching or comparable unit.\u003c\/p\u003e","brand":"HIFIMAN","offers":[{"title":"Default Title","offer_id":48351330533590,"sku":null,"price":519.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/SKU__1_EF600.jpg?v=1781184942","url":"https:\/\/www.hifiloop.com\/ko\/products\/used-open-box-hifiman-ef600-desktop-dac-amplifier","provider":"HiFiLoop","version":"1.0","type":"link"}