{"product_id":"2pcs-quad405-mono-audio-power-amplifier-board-dc-30v-to-50v-3a","title":"2pcs QUAD405 Mono Audio Power Amplifier Board DC +\/-30V to +\/-50V (3A)","description":"\u003cdiv\u003e \u003c\/div\u003e\u003cdiv style=\"position: relative;\" data-slate-node=\"element\"\u003e\u003cspan data-slate-node=\"text\"\u003e\u003cspan data-slate-leaf=\"true\" data-sent-id=\"9XwYkenEAP\"\u003e\u003cspan data-slate-string=\"true\"\u003eDescription:\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv style=\"position: relative;\" data-slate-node=\"element\"\u003e\u003cspan data-slate-node=\"text\"\u003e\u003cspan data-slate-leaf=\"true\" data-sent-id=\"VEq1nax7A0\"\u003e\u003cspan data-slate-string=\"true\"\u003ePCB size: 132 mm x 90 mm x 45mm(L, W, H).\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv style=\"position: relative;\" data-slate-node=\"element\"\u003e\u003cspan data-slate-node=\"text\"\u003e\u003cspan data-slate-leaf=\"true\" data-sent-id=\"jL5RxD77qo\"\u003e\u003cspan data-slate-string=\"true\"\u003eVoice: DC +\/- 30V to DC +\/- 50V (3A); (100W 8R use +-50V).\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv style=\"position: relative;\" data-slate-node=\"element\"\u003e\u003cspan data-slate-node=\"text\"\u003e\u003cspan data-slate-leaf=\"true\" data-sent-id=\"DjqgP3DEAe\"\u003e\u003cspan data-slate-string=\"true\"\u003ePower: 50-100 W 8 R.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv style=\"position: relative;\" data-slate-node=\"element\"\u003e\u003cspan data-slate-node=\"text\"\u003e\u003cspan data-slate-leaf=\"true\" data-sent-id=\"WP58ZMlJq7\"\u003e\u003cspan data-slate-string=\"true\"\u003eThe signal amplification transistor adopts original BC556, 5551, 5401 audio dedicated signal tubes\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv style=\"position: relative;\" data-slate-node=\"element\"\u003e\u003cspan data-slate-node=\"text\"\u003e\u003cspan data-slate-leaf=\"true\" data-sent-id=\"oaAbbMnJAJ\"\u003e\u003cspan data-slate-string=\"true\"\u003eThe inductance is measured manually by a precise digital bridge, with an accuracy of 0.01UH 0.1%.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv style=\"position: relative;\" data-slate-node=\"element\"\u003eThe high-power tube is the original MJ15024.\u003cbr\u003e\u003cbr\u003e\n\u003c\/div\u003e\u003cdiv style=\"position: relative;\" data-slate-node=\"element\"\u003e\u003cspan data-slate-node=\"text\"\u003e\u003cspan data-slate-leaf=\"true\" data-sent-id=\"yLwv0veZA4\"\u003e\u003cspan data-slate-string=\"true\"\u003eNote:\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv style=\"position: relative;\" data-slate-node=\"element\"\u003e\u003cspan data-slate-node=\"text\"\u003e\u003cspan data-slate-leaf=\"true\" data-sent-id=\"pEq6JGxDqV\"\u003e\u003cspan data-slate-string=\"true\"\u003eThis board is often used in pairs. We recommend you buy one or more pairs of these boards.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv style=\"position: relative;\" data-slate-node=\"element\"\u003e \u003c\/div\u003e\u003cdiv style=\"position: relative;\" data-slate-node=\"element\"\u003e\u003cspan data-slate-node=\"text\"\u003e\u003cspan data-slate-leaf=\"true\" data-sent-id=\"64wkDNvLq9\"\u003e\u003cspan data-slate-string=\"true\"\u003ePackage:\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv style=\"position: relative;\" data-slate-node=\"element\" data-slate-fragment=\"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\"\u003e\u003cspan data-slate-node=\"text\"\u003e\u003cspan data-slate-leaf=\"true\" data-sent-id=\"k15aa3lr5d\"\u003e\u003cspan data-slate-string=\"true\"\u003e1 pair QUAD405 audio power amplifier board with MJ15024\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\n\u003cp style=\"font-size: 14pt; margin: 0px; padding: 0px;\"\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14pt; margin: 0px; padding: 0px;\"\u003e\u003cspan style=\"font-family: Arial;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14pt; margin: 0px; padding: 0px;\"\u003e\u003cspan style=\"font-family: Arial; font-size: x-large;\"\u003e\u003cspan style=\"line-height: 21px;\"\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14pt; margin: 0px; padding: 0px;\"\u003e\u003cspan style=\"font-family: Arial; font-size: x-large;\"\u003e\u003cspan style=\"line-height: 21px;\"\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003cp\u003e\u003c\/p\u003e\u003chr\u003e\u003cspan class=\"ebay\"\u003eOn Jun 15, 2026 at 01:28:08 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":40785583767681,"sku":"LJM-QUAD405*2+MJ15024-Angle","price":113.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0578\/8647\/4369\/files\/e5b9d48ac0c0c3175f07beed003dc4b9.jpg?v=1781601141","url":"https:\/\/www.lilly-electronics.com\/products\/2pcs-quad405-mono-audio-power-amplifier-board-dc-30v-to-50v-3a","provider":"Lilly Electronics","version":"1.0","type":"link"}