1 The protection board is mainly used to prevent the horn from being damaged by the high current impact when the power amplifier is just turned on. 2 The protection board is made of high-quality FR-4 board with a thickness of 1.6mm, which is strong and impact resistant. 3 The protection board adopts AC12-15V single power supply voltage, which can send a group of electric energy to the amplifier board. 4 The speaker protection board is three-channel, and has a signal indicator, so you can check the operating status at any time. 5 The protection board can be used with 1875 power amplifier board, and can also be used with LM3886, TDA7294, TDA7293, etc.
What's in the box
1 x Speaker Protection Board