5pcs Speaker Power Amplifier Board Dual 15A Relay Protector Boot Delay and DC Detection Protection Module
Description
Introduction The speaker protection board has a power on delay about 3 seconds and DC protection about 1V control voltage With LED status display it will light when it is protected and will be extinguished when it is working normally Adopt 15A high current relay suitable for most power amplifier boards The working voltage is 12 15V which requires independent power supply Dimensions length 65mm width 40mm height 25mmNote 1 Speaker protection requires independent power supply and cannot share one winding with other circuits 2 The BTL circuit requires two sets of protection boards one set of one channel 3 The protection board is only suitable for dual power supply amplifiers and cannot be used for single power supply amplifiers Package includes 5 x Speaker Protection Board
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