Protection Board Audio Amplifier With Boot Delay Component + DC Protect Speaker

The speaker protection board has the power delay (3 seconds) and DC protection (from the control voltage is about 1V) function, a simple circuit board, making easy, safe and reliable. With LED status display, when the protection light, the normal work time off. using 15A high current relay, suitable for the vast majority of amplifier board. Operating voltage AC 12-15V, requires a separate power supply.

After installation size: length 65mm x width 40mmx high 25mm . BTL circuit need two sets.