Cave Sound Bass Controller

This remote amplifier level control adds sub-woofer level controls or balances a multiple amplifier installation
Fine tunes the volume of any RCA line level signal you wish to control
Connect the RCA from the output of this controller to the amplifier, and wire the car stereo output to the RCA input of this unit
Dash mount amplifier level control for Volume Adjustment
Can adjust the amplifier gain while driving
Perfect for balancing the system to change music styles
Simple in and out connections, no additional wiring needed
Just rotate the button gently, and the different frequencies can make the song sounds different

Specification:

Compatible: Car Universal
Adds a dash mounted sub-woofer volume control
Used to adjust an amplifier’s power level, stereo, equalizer or crossover volume form the dashboard or other remote 
Two ways of regulation: Tone-up regulation / Frequency regulation

Package Includes:
1 * Bass Controller