Product details of 100wx4(400watt) Digital Amplifier Speaker Protection Board 3.1 Channel Relay Speaker Module
- 100wX4(400Watt) 3.1 Channel Speaker protection circuit module.
- AC input power: 12volt to 24 volt single.
- Use: Audio amplifier box.
- Same as picture
- Model400W Digital Amplifier Speaker Protection Board 3.1 Channel Relay Speaker Module.
- Note: No change or Return after soldering on PCB & over voltage burn.
- We checked circuit before packaging.