{"product_id":"luxury-precision-w4acg-portable-usb-dac-amp-headphone-amp-used","title":"Luxury Precision W4ACG - Portable USB DAC\/AMP Headphone AMP (Used)","description":"\u003ch3 class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eW4 ACG Mirror Copper Edition — Key Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eChip-level ACG tuning\u003c\/strong\u003e — additional PIN pins and revised registers, purpose-built for ACG music (not just a firmware tweak)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\" style=\"text-align: left;\"\u003e\n\u003cstrong\u003eDedicated \"STL ACG\" tuning mode\u003c\/strong\u003e — based on the acclaimed LP6 Platinum, deeply adapted to the revised chip\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\" style=\"text-align: left;\"\u003e\n\u003cstrong\u003eLowered voltage, raised current\u003c\/strong\u003e — optimized for driving low-impedance, high-sensitivity IEMs with superior control\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\" style=\"text-align: left;\"\u003e\n\u003cstrong\u003eFixed Line Out voltage for EA4\u003c\/strong\u003e — purpose-tuned for perfect voltage matching with the L\u0026amp;P EA4 amplifier\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\" style=\"text-align: left;\"\u003e\n\u003cstrong\u003eDual-mode flexibility\u003c\/strong\u003e — standalone operation for easy-to-drive IEMs; pair with EA4 for hard-to-drive IEMs and full-size headphones\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\" style=\"text-align: left;\"\u003e\n\u003cstrong\u003eMirror copper chassis\u003c\/strong\u003e — L\u0026amp;P's first application of mirror copper on a dongle, precision-polished for stunning visual depth\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\" style=\"text-align: left;\"\u003e\n\u003cstrong\u003eTitanium nitride (TiN) plating\u003c\/strong\u003e — significantly improved hardness and scratch resistance for everyday durability\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\" style=\"text-align: left;\"\u003e\n\u003cstrong\u003eIncluded 1:1 custom leather case\u003c\/strong\u003e — Italian waxed vegetable-tanned leather (same material as P6PRO Ti99\/10th cases), 8-layer construction, N52 magnetic closure\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\" style=\"text-align: left;\"\u003e\n\u003cstrong\u003eLimited edition\u003c\/strong\u003e — 499 units worldwide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: left;\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0888\/2348\/files\/01_c03d314a-8ca2-490d-9ac0-83b1b3285a03.jpg?v=1777042153\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0888\/2348\/files\/02_8f6e2f6a-3b43-4e20-992d-e49bc807c66a.jpg?v=1777042153\" alt=\"\"\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0888\/2348\/files\/03_02353fab-7391-4be0-96fa-8c143e1082f2.jpg?v=1777042153\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0888\/2348\/files\/04_88130ab0-7d00-460a-ba62-c105e6000070.jpg?v=1777042153\" alt=\"\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"embed-container\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/RAh08-Iad40\"\u003e\n  \u003c\/iframe\u003e\u003c\/div\u003e","brand":"MusicTeck","offers":[{"title":"Default Title","offer_id":67498926899490,"sku":null,"price":539.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0888\/2348\/files\/livephoto-1.jpg?v=1777041105","url":"https:\/\/shop.musicteck.com\/products\/luxury-precision-w4acg-portable-usb-dac-amp-headphone-amp-used","provider":"MusicTeck","version":"1.0","type":"link"}