The best way to prevent any damage to your car audio equipment, and monitor the car amplifier voltage is with the DS18 BKVR remote level control with volt meter.
- RCA line level control with volt-meter and remote amp trigger can adjust the amplifier gain & turn on/off the amp
- In-dash or under-dash mountable
- Rotary push turn ON/OFF knob for amplifier remote
- Digital volt-meter (10V - 15.9V)
- Blue LED display (high voltage/low voltage)
- Compatible with most head units & amplifiers combinations
- Dimensions: 3.34"x 2.95"x 1.06"