and high quality
This remote amplifier level control is used to adjust an amplifier's power level, stereo, equalizer or crossover volume form the dashboard or other remote locations.
It adds sub-woofer level controls or balances a multiple amplifier installation. Fine tunes the volume of any line level signal you wish to control.
Compact housing allows the unit to be mounted virtually anywhere so control is at the user's fingertips. Simple in and out connections, no additional wiring
Great for a sub amp volume control.

Connect the from the output of this controller to the amplifier, and wire the car stereo output to the input of this unit.
Adds a Dash Mounted Sub-Woofer Volume Control.
4 gold plated 's (2 input & 2 output).
Level: control knob
Frequency: 150Hz - 40Hz
Gain: 0db to -12db
Dimensions: 68x56x31mm/2.68x2.2x1.22inch
colour: as shown
Material: plastic+metal

Package Contents:
1 x Car Audio Regulator With Screws