12-18V UPC1237 Speaker Protection Board Loud Speaker Protection Board Kit Part Boot Delay DC Monitor

Description 1 The DC protection can t work with the Digital Power Amplifier board or BTL Circuits2 The horn protection board has the functions of power on delay about 3 seconds and DC protection control voltage is about 1V The board circuit is simple and safe and reliable 3 With LED light indication it lights up when working and it is extinguished when protection starts It adopts double parallel OMRON relay which is suitable for most power amplifier boards 4 Operating voltage AC 12 18V independent power supply is required 5 This protection board is powered by AC 12 18V It must be powered by a separate power supply Otherwise the power amplifier board may be damaged Specification Voltage input AC12 18VCan withstand power 50W 300WProtection board size 68 55 MMPackage included 1 x PC Speaker Protection Board