{"product_id":"used-open-box-goldenwave-hifiman-serenade-r2r-dac-headphone-amplifier","title":"GoldenWave x HIFIMAN Serenade Used \/ Open-Box R2R DAC Headphone Amplifier","description":"\u003ch2\u003eProduct overview\u003c\/h2\u003e\u003cp\u003eThe GoldenWave x HIFIMAN Serenade is a desktop R2R DAC and Class A headphone amplifier platform for listeners who want DAC conversion, headphone amplification, and multiple input paths in a single desktop component. 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\u003eHYMALAYA Pro R2R DAC platform with Class A headphone amplifier circuit.\u003c\/li\u003e\n\u003cli\u003eSupports traditional DAC\/headphone amplifier use and local network playback from a NAS workflow.\u003c\/li\u003e\n\u003cli\u003eInputs listed for the platform include optical, coaxial, USB, and RCA paths.\u003c\/li\u003e\n\u003cli\u003ePublished headphone output reaches 4000mW into 32Ω balanced and 2800mW into 32Ω single-ended.\u003c\/li\u003e\n\u003cli\u003eRCA and XLR output levels are specified for DAC output use.\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\u003eDesktop R2R DAC \/ headphone amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDAC platform\u003c\/th\u003e\n\u003ctd\u003eHYMALAYA Pro R2R DAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAmplifier topology\u003c\/th\u003e\n\u003ctd\u003eClass A headphone amplifier circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInput paths\u003c\/th\u003e\n\u003ctd\u003eOptical, coaxial, USB, RCA; local NAS playback workflow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrequency response\u003c\/th\u003e\n\u003ctd\u003e20Hz-20kHz, ±0.1dB @ 1kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSignal-to-noise ratio\u003c\/th\u003e\n\u003ctd\u003e110dB, 0dBFS @ 1kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTHD+N\u003c\/th\u003e\n\u003ctd\u003e0.0015%, -3dBFS @ 1kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBalanced headphone output\u003c\/th\u003e\n\u003ctd\u003e4000mW @ 32Ω; 760mW @ 300Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSingle-ended headphone output\u003c\/th\u003e\n\u003ctd\u003e2800mW @ 32Ω; 510mW @ 300Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDAC output level\u003c\/th\u003e\n\u003ctd\u003e4.5V XLR \/ 2.2V RCA, 0dBFS @ 1kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e330 × 50 × 255mm, protrusions not included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e2.9kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eSeries \/ category notes\u003c\/h2\u003e\u003cp\u003eSerenade has multiple naming and configuration references across markets, including Wi-Fi and later versions. The exact version and rear-panel configuration should be confirmed before quotation.\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":"GoldenWave x HIFIMAN","offers":[{"title":"Default Title","offer_id":48351329059030,"sku":null,"price":489.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/1_1__2_59beb3f7-efd1-47aa-b8a6-821a4c5d6f3d.jpg?v=1781184865","url":"https:\/\/www.hifiloop.com\/ja\/products\/used-open-box-goldenwave-hifiman-serenade-r2r-dac-headphone-amplifier","provider":"HiFiLoop","version":"1.0","type":"link"}