{"product_id":"aiyima-h4-pre-owned-b52288bb7d","title":"AIYIMA H4 — Pre-Owned","description":"\u003c!-- HFL:PDP_COMPACT_V1 --\u003e\u003cdiv class=\"hfl-pdp-unit\"\u003e\n\u003ch2\u003eThis unit\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eActual item shown in all photos.\u003c\/strong\u003e This page is for one specific pre-owned AIYIMA H4.\u003c\/p\u003e\n\u003ch3\u003eCondition\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eGrade B.\u003c\/strong\u003e Light normal signs of use. Please refer to the actual-item photos.\u003c\/p\u003e\n\u003ch3\u003eFunction\u003c\/h3\u003e\n\u003cp\u003eWorking normally.\u003c\/p\u003e\n\u003ch3\u003eIncluded\u003c\/h3\u003e\n\u003cp\u003eIncluded items are exactly as shown in the photos.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncluded items:\u003c\/strong\u003e The included item and accessories are shown in the actual-item photos. No additional accessories are included unless specifically stated.\u003c\/p\u003e\n\u003c\/div\u003e\u003c!-- HFL:MODEL --\u003e\u003cdiv class=\"hfl-pdp-model\"\u003e\n\u003cdiv\u003e\n\u003ch2\u003eModel \u0026amp; connections\u003c\/h2\u003e\n\u003cp\u003eThe AIYIMA H4 is a compact portable USB headphone DAC and amplifier. It takes a digital signal through its Type-C input and provides a 4.4 mm balanced headphone connection in a small screen-equipped enclosure.\u003c\/p\u003e\n\u003cp\u003eThe display shows playback information, while the side-mounted menu and volume controls keep basic adjustments on the device. The H4 supports high-resolution PCM and DSD formats; actual format availability also depends on the connected source and playback software.\u003c\/p\u003e\n\u003ch3\u003eBefore you connect\u003c\/h3\u003e\n\u003cp\u003eConnect the Type-C input to a compatible USB audio source. Use a properly terminated balanced headphone cable with the 4.4 mm output, and start with the volume low. Check USB audio support on your source and player before relying on high-resolution PCM or DSD playback.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003ctable\u003e\n\u003ccaption\u003eModel specifications\u003c\/caption\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDigital input\u003c\/th\u003e\n\u003ctd\u003eUSB Type-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBalanced headphone output\u003c\/th\u003e\n\u003ctd\u003e4.4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDisplay\u003c\/th\u003e\n\u003ctd\u003eBuilt-in playback information screen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eControls\u003c\/th\u003e\n\u003ctd\u003eMenu button and volume controls\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePCM support\u003c\/th\u003e\n\u003ctd\u003eUp to 32-bit \/ 768 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDSD support\u003c\/th\u003e\n\u003ctd\u003eUp to DSD512\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"AIYIMA","offers":[{"title":"Default Title","offer_id":67813815156950,"sku":"HFL-U-B52288BB7D","price":119.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/57_983a0231-0315-4514-92bf-e5048493dbfe.png?v=1793190990","url":"https:\/\/hifiloop.com\/zh\/products\/aiyima-h4-pre-owned-b52288bb7d","provider":"HiFiLoop","version":"1.0","type":"link"}