Practical Car Audio Amplifier Subwoofer Volume Regulator Bass Controller Knob

Description
Used to adjust amplifier's power level, stereo, equalizer or crossover volume from the dashboard or other remote locations.
Two adjust way: adjust by gain, adjust by frequency
Different frequency can make the song feel different.
Adds subwoofer level controls or balances a multiple amplifier installation.
Just need to rotate the button of the controller, easy operate.
Universal fit for most of car, simple in and out connection, no additional wiring need.

Specifications:
Color: black
Size: about 4x5x3cm
Fitment: universal

Package include:
1*bass controller

Note:
1. Due to the light and screen difference, the item's color may be slightly different from the pictures.
2. Please allow slight deviation for the measurement data and make sure you do not mind before ordering.