SHCA Color LED BASS KNOB with Voltmeter and Leads (Pink)
- Two adjust way: adjust by gain, adjust by frequency.
- Adds subwoofer level controls or balances a multiple amplifier installation. Just need to rotate the button of the controller, easy operate..
- Different frequency can make the song feel different. Universal fit for most of car, simple in and out connection, no additional wiring need..
- Just need to rotate the button of the controller, easy operate..