{"product_id":"dc-20v-90v-300w-mono-power-amplifier-1943-5200-hifi-high-power-paired-tube-post-stage-audio-amplifier-board-with-speaker-protect","title":"DC 20V-90V 300W Mono Power Amplifier 1943+5200 HIFI High-power Paired","description":"\u003cp\u003eDiscover the DC 20V-90V 300W Mono Power Amplifier 1943+5200 HIFI High-power Paired — a standout decor pick featuring compact design for dependable, everyday performance.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cp\u003eBrand Name: Aideepen\u003c\/p\u003e\u003cp\u003eDIY Supplies: Electrical\u003c\/p\u003e\u003cp\u003eElectronic: No\u003c\/p\u003e\u003cp\u003eMaterial: Plastic\u003c\/p\u003e\u003cp\u003eSemi-finishedproduct: No\u003c\/p\u003e\u003cp\u003eProduct Features:\u003c\/p\u003e\u003cp\u003e1. High power output, up to 300W, effortlessly drives large speakers.\u003c\/p\u003e\u003cp\u003e2. Utilizes high-voltage audio push-pull transistors for clear sound quality and exceptional stability.\u003c\/p\u003e\u003cp\u003e3. Wide power supply range supporting ±20V-90V, adaptable to diverse power environments.\u003c\/p\u003e\u003cp\u003e4. Powerful drive capability effortlessly handles 15-inch speakers with outstanding performance.\u003c\/p\u003e\u003cp\u003e5. Compact dimensions facilitate easy installation and compatibility with diverse audio systems.\u003c\/p\u003e\u003cp\u003eProduct Description:\u003c\/p\u003e\u003cp\u003eThis upgraded version features a monaural amplifier board (1943+5200 high-power paired tube power amplifier board). Designed as a single-channel power amplifier board, two boards are required for stereo operation. Circuit design employs A970\/C2240 high-voltage audio push-pull transistors in a dual differential configuration, with A1145\/C2705 for voltage amplification. Medium-power A1837\/C4793 transistors drive the output stage, while A1943\/C5200 high-power push-pull transistors handle the output stage. It features a wide power supply range, operating from ±20V to ±90V DC. With sufficient power supply, it easily achieves 300W output power, delivering exceptional driving force that effortlessly handles 15-inch speakers.\u003c\/p\u003e\u003cp\u003eProduct Specifications:\u003c\/p\u003e\u003cp\u003eSupply Voltage: DC ±20-90V (Recommended: ±20V-75V. Do not exceed voltage limits. Switching power supplies are not permitted.)\u003c\/p\u003e\u003cp\u003eOutput Power: 300W (8Ω enclosure)\u003c\/p\u003e\u003cp\u003ePCB Dimensions: 150mm × 75mm\u003c\/p\u003e\u003cp\u003eProduct Listing:\u003c\/p\u003e\u003cp\u003e1x Amplifier Board\u003c\/p\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003ch4\u003eQ: What is the DC 20V-90V 300W Mono Power Amplifier 1943+5200 HIFI?\u003c\/h4\u003e\u003cp\u003eA: The DC 20V-90V 300W Mono Power Amplifier 1943+5200 HIFI is a quality decor pick. High power output, up to 300W, effortlessly drives large speakers.\u003c\/p\u003e\u003ch4\u003eQ: What is the DC 20V-90V 300W Mono Power Amplifier 1943+5200 HIFI made of?\u003c\/h4\u003e\u003cp\u003eA: The DC 20V-90V 300W Mono Power Amplifier 1943+5200 HIFI is made from Plastic Semi-finishedproduct, measuring 150mm.\u003c\/p\u003e\u003ch4\u003eQ: Why choose the DC 20V-90V 300W Mono Power Amplifier 1943+5200 HIFI?\u003c\/h4\u003e\u003cp\u003eA: The DC 20V-90V 300W Mono Power Amplifier 1943+5200 HIFI stands out in our decor range — Utilizes high-voltage audio push-pull transistors for clear sound quality and exceptional stability.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the DC 20V-90V 300W Mono Power Amplifier 1943+5200 HIFI?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The DC 20V-90V 300W Mono Power Amplifier 1943+5200 HIFI is a quality decor pick. High power output, up to 300W, effortlessly drives large speakers.\"}}, {\"@type\": \"Question\", \"name\": \"What is the DC 20V-90V 300W Mono Power Amplifier 1943+5200 HIFI made of?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The DC 20V-90V 300W Mono Power Amplifier 1943+5200 HIFI is made from Plastic Semi-finishedproduct, measuring 150mm.\"}}, {\"@type\": \"Question\", \"name\": \"Why choose the DC 20V-90V 300W Mono Power Amplifier 1943+5200 HIFI?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The DC 20V-90V 300W Mono Power Amplifier 1943+5200 HIFI stands out in our decor range — Utilizes high-voltage audio push-pull transistors for clear sound quality and exceptional stability.\"}}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"Default Title","offer_id":47766367895657,"sku":"\u003cnone\u003e","price":69.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/S344d788cbde44880bad2d875d034ba1cE.webp?v=1783445081","url":"https:\/\/oasis-select.com\/products\/dc-20v-90v-300w-mono-power-amplifier-1943-5200-hifi-high-power-paired-tube-post-stage-audio-amplifier-board-with-speaker-protect","provider":"Oasis Select","version":"1.0","type":"link"}