Universal Car Audio Amplifier Bass Boost RCA Level Remote Volume Control Knob US23 FXUS10

1. Dash Mount Amplifier Level Control for Volume Adjustment.
2. It is suitable for car audio modification to install audio adjustment knob to improve the convenience of audio adjustment when the car driver is driving.
3. Simple installation, no additional wiring needed.
4. Durable and reliable.
5. Interface: RCA