{"product_id":"50w-4-car-four-channel-hifi-power-amplifier-board-tda7850-50w-4-high-quality-diy","title":"50W*4 Car Four Channel HIFI Power Amplifier Board TDA7850 50W*4 High Quality DIY","description":"\u003cfont rwr=\"1\" size=\"4\" style=\"font-family:Arial\"\u003e\u003cdiv border=\"solid,1px\" width=\"1000px\" height=\"1000px\" align=\"center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cmeta http-equiv=\"Content-Type\" content=\"text\/html; charset=utf-8\"\u003e\n\u003ctitle\u003e无标题文档\u003c\/title\u003e  \n\n  \n\n  \n\n      \n\n \u003ctable sytle=\"border:1;\" width=\"80%\" border=\"1\" align=\"center\"\u003e\u003ctbody\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd class=\"aaaa\" style=\"font-family: Arial, Helvetica, sans-serif\" height=\"50px\" bgcolor=\"#96c0f6\"\u003eTitle：\u003c\/td\u003e\n\u003ctd colspan=\"3\" style=\"font-family: Arial, Helvetica, sans-serif\" bgcolor=\"#FFFFFF\"\u003e\u003cp\u003e50W*4 Car Four Channel HIFI Power Amplifier Board TDA7850 50W*4 High Quality DIY\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"aaaa\" style=\"font-family: Arial, Helvetica, sans-serif\" width=\"20%\" height=\"42\" bgcolor=\"#96c0f6\"\u003ePower Supply Type:\u003c\/td\u003e\n\u003ctd style=\"font-family: Arial, Helvetica, sans-serif\" width=\"30%\" bgcolor=\"#FFFFFF\"\u003e\u003cspan class=\"aaaa\" style=\"font-family: Arial, Helvetica, sans-serif\"\u003e DC 12-16V \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Arial, Helvetica, sans-serif\" width=\"25%\" bgcolor=\"#96c0f6\"\u003eInput Impedance:\u003c\/td\u003e\n\u003ctd style=\"font-family: Arial, Helvetica, sans-serif\" width=\"25%\" bgcolor=\"#FFFFFF\"\u003e\u0026gt;10K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"aaaa\" style=\"font-family: Arial, Helvetica, sans-serif\" height=\"41\" bgcolor=\"#96c0f6\"\u003eOutput Impedance:\u003c\/td\u003e\n\u003ctd style=\"font-family: Arial, Helvetica, sans-serif\" bgcolor=\"#FFFFFF\"\u003e\u003cspan class=\"aaaa\" style=\"font-family: Arial, Helvetica, sans-serif\"\u003e4-8Ω \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Arial, Helvetica, sans-serif\" bgcolor=\"#96c0f6\"\u003eNoise Suppression:\u003c\/td\u003e\n\u003ctd style=\"font-family: Arial, Helvetica, sans-serif\"\u003eDouble Isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"aaaa\" style=\"font-family: Arial, Helvetica, sans-serif\" width=\"20%\" height=\"42\" bgcolor=\"#96c0f6\"\u003eOutput Power:\u003c\/td\u003e\n\u003ctd style=\"font-family: Arial, Helvetica, sans-serif\" width=\"30%\" bgcolor=\"#FFFFFF\"\u003e\u003cspan class=\"aaaa\" style=\"font-family: Arial, Helvetica, sans-serif\"\u003e50W*4 \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Arial, Helvetica, sans-serif\" width=\"25%\" bgcolor=\"#96c0f6\"\u003eSize:\u003c\/td\u003e\n\u003ctd style=\"font-family: Arial, Helvetica, sans-serif\" width=\"25%\" bgcolor=\"#FFFFFF\"\u003e95*79*20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"aaaa\" style=\"font-family: Arial, Helvetica, sans-serif\" height=\"50px\" bgcolor=\"#96c0f6\"\u003eFeatures:\u003c\/td\u003e\n\u003ctd colspan=\"3\" class=\"BB\" style=\"font-family: Arial, Helvetica, sans-serif\" bgcolor=\"#FFFFFF\"\u003e\u003cp\u003e1. Dual chip TDA7850 core chip VC3121 auxiliary chip combined.\u003cbr\u003e2. IC temperature sensing system intelligent cooling control temperature \u0026gt;25 °C fan automatically open.\u003cbr\u003e3.50W*4 high power, push the 10-inch speaker, the sound quality is clear.\u003cbr\u003e4. Dual isolation system: The audio signal is separated from the power circuit to avoid interference and conflict, and high fidelity.\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"aaaa\" style=\"font-family: Arial, Helvetica, sans-serif\" height=\"50px\" bgcolor=\"#96c0f6\"\u003ePackage:\u003c\/td\u003e\n\u003ctd colspan=\"3\" style=\"font-family: Arial, Helvetica, sans-serif\" bgcolor=\"#FFFFFF\"\u003e\u003cp\u003e1* Power Amplifier Board\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cdiv border=\"solid,1px\" width=\"1000px\" height=\"1000px\" align=\"center\"\u003e\u003cbr\u003e\u003c\/div\u003e\u003c\/font\u003e\u003cp\u003e\u003c\/p\u003e\u003chr\u003e\u003cspan class=\"ebay\"\u003eOn Aug 14, 2025 at 23:27:33 PDT, seller added the following information:\u003c\/span\u003e\u003cp\u003e\u003c!--[Datacaciques code start,code,don't modify it]--\u003e\u003cstyle type=\"text\/css\"\u003e.dc_tracker_img{display:none;}.dc_tracker_img:last-of-type{display:block;}p:empty+hr{display:none;}hr+span.ebay,hr+*\u003espan.ebay{display:none;}\u003c\/style\u003e\u003c\/p\u003e\u003cdiv class=\"dc_tracker_img\" style=\"text-align:center;margin-top:25px\"\u003e\u003cbr\u003e\u003c\/div\u003e\u003c!--[Datacaciques code end]--\u003e","brand":"lilly electronics","offers":[{"title":"Default Title","offer_id":40530072502401,"sku":"XH-M521-4x50W","price":40.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0578\/8647\/4369\/files\/eab45a740bf697669d47de7ffcc85fed_e4a38aa0-acf9-4d96-9514-7b58183b7d39.jpg?v=1761902265","url":"https:\/\/www.lilly-electronics.com\/fr\/products\/50w-4-car-four-channel-hifi-power-amplifier-board-tda7850-50w-4-high-quality-diy","provider":"Lilly Electronics","version":"1.0","type":"link"}