12-18V UPC1237 Speaker Protection Board loudspeaker 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 Operating voltage AC 12 18V independent power supply is required 4 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