Sell ▥2pcs UPC1237 LM7812 16A 1200W AC12V 18V HiFi amplifier speaker protection assembled board D3 007 best price

2pcs UPC1237 LM7812 16A 1200W AC12V-18V HiFi amplifier speaker protection assembled board UPC1237 horn protection circuit board, high-current double-sided routing, two-channel separate routing, the circuit uses double-sided immersion gold technology, can be connected to high-power amplifier.     Protection board overview: 1.UPC1237 speaker protection chip Mono independent protection design, 2. Wide voltage design, using LM7812 voltage regulator, input working voltage AC AC12V-AC18V. 3. Each channel works completely independently, using a relay independently, and the mono control current is 16A, which is suitable for power amplifier output protection below 1200W. 4. Can be directly mounted to the speaker terminal of the chassis, fixed with a nut, no need to solder! Very convenient to install. You can also use the terminal block to connect. Features: Boot delay: 3 seconds or so Midpoint protection: around 1V Working voltage: independent  AC12V-AC18V Protection category: boot protection, shutdown protection, DC midpoint protection Remarks:    The relay adopts the original imported Omron silver-plated contact relay, one channel is controlled by one relay, and each channel is 16A current control. The compact design of the small board saves installation space.     The distance of the speaker output port of the board, the center point distance is 30MM, and the aperture of the opening is 8.2MM. Size: 114MM*66.5MM Speaker terminal hole spacing: 30MM Note: The color or brand of the components will be different in different periods, but the function quality and grade are guaranteed. Package Contents  100% Brand New 2pcs     UPC1237  speaker protection board     Precautions: *** "Pre-sale" ***The products are shipped abroad, and the logistics time limit is generally about 15 days. If you mind, please don't place an order &&&Pre-sale products as long as they are shipped overseas, please do not refuse to sign at will, thank you very much for your understanding! Please pay attention to the store coupons and receive them before placing an order!