Finished Board2.0 Speaker Protection Circuit Board Dual Relay with Boot Delay

Description The speaker protection board has a start up delay about 3 seconds and DC protection starting control voltage about 1V The function the board circuit is simple the work is safe and reliable With LED light indication protectionIt lights up when it is working and it goes out when it works normally 10A high current relay is used suitable forMost power amplifier boards Specification Working voltage AC 12 15V independent power supply is required PCB circuit board size 7cm 5cm 1 7cmNet weight about 37gNote BTL circuit needs two sets Horn protection needs independent winding power supply and cannot share power supply with other circuits Package included 1 x2 0 Speaker Protection Circuit Board