Feature 1Wide Range of Applications: Our car bass controller knobs are extensively used in car audio systems, which is universal fit for most cars. 2Volume Adjuster: This car bass controller an be used to adjust amplifier power levels, stereo, equalizer or cross volume from the dashboard or other location. 3Provide More Convenience: You can quickly control or adjust bass gain, volume and level from the front seat or a distant location through this bass controller. 4Easy to Operate: You can control the bass by adjust gain or frequency through rotating the button of the controller, which is very simple and efficient. 5Enjoy Different Music: By installing a subwoofer level control or balancing a multiple amplifier, different frequencies can be achieved, which allows you to have more different experience when listening to music.Item Type:CarBassControlKnob .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Product Application: Universal FitmentPackage List1 x CarBassControlKnob