Wzxksoac 2X UPC1237 DC 12-24V Dual Channel Speaker Protection Circuit Board Boot Mute Delay

The speaker protection board is designed and manufactured with UPC1237 special chip, with power-on delay and DC protection functions, instant shutdown function, and comprehensive protection of your expensive speakers! The sheet material is sprayed with tin foil made of a 1.6MM thick high FR-4 board. The 10A relay has a loose sound quality, and its resistance ring is film resistor with copper feet. And with red power indicator light, power relay for about 3 seconds, indicating green indicator light, working indicator light. The protection board uses a single power supply voltage of AC 10V-18V, DC 12-24V, and can bring a group of power supplies to the amplifier board. Please try to use conditional winding or separate power supply.