Features:
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:
Name: Car Power Amplifier Volume Regulator
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 locations
4 gold plated RCA's (2 RCA input & 2 RCA output)
Level control knob
Material: Plastic Shell
Frequency: 150Hz-40Hz
Gain: 0db-12db
Two ways of regulation: Tone-up regulation / Frequency regulation

Package Includes:
1 * Bass Controller
4 * Screws