Prevent damage to your vehicle's audio equipment with this level controller with a built-in voltmeter. It combines a power switch, bass knob, and voltmeter, making it easy to adjust the bass level and consistently monitor amplifier voltage to avoid drops or spikes. This unit offers remote gain control, a rotary pushable ON/OFF switch, and a digital voltmeter display.
 
Features:
 
Dash-mount amplifier level control for volume adjustment
Adjust the bass level even while driving
Simple installation
Compatible with most head unit/amplifier combinations
Rotary push turn ON/OFF switch for voltmeter (10V~15.9V)
Blue LED display (high voltage/low voltage)
 
Includes:
 
Level controller with built-in voltmeter
Wiring for connection to head unit and amplifier