
Install Bay IBR143 Level Controller with Voltmeter

Install Bay IBR143 Level Controller with Voltmeter
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.
General Features:
- Dash-mount amplifier level control for volume adjustment
- Adjust the bass level even while driving
- In-dash or under-dash mountable
- 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)
- 1-year warranty
Includes:
- Level controller with built-in voltmeter
- Wiring for connection to head unit and amplifier
Warning:
This product can expose you to chemicals known to the State of California to cause cancer. For more information, go to P65Warnings.ca.

Install Bay IBR143 Level Controller with Voltmeter
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.
General Features:
- Dash-mount amplifier level control for volume adjustment
- Adjust the bass level even while driving
- In-dash or under-dash mountable
- 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)
- 1-year warranty
Includes:
- Level controller with built-in voltmeter
- Wiring for connection to head unit and amplifier
Warning:
This product can expose you to chemicals known to the State of California to cause cancer. For more information, go to P65Warnings.ca.
Description

Install Bay IBR143 Level Controller with Voltmeter
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.
General Features:
- Dash-mount amplifier level control for volume adjustment
- Adjust the bass level even while driving
- In-dash or under-dash mountable
- 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)
- 1-year warranty
Includes:
- Level controller with built-in voltmeter
- Wiring for connection to head unit and amplifier
Warning:
This product can expose you to chemicals known to the State of California to cause cancer. For more information, go to P65Warnings.ca.






















