Precise Bass Control:Our bass controller resolves the issue of unsynchronized volume between the car stereo main control panel and the subwoofer, providing precise bass control to adjust the low-frequency output, ensuring you enjoy a perfect audio experience

Universal, Quick Installation: Our bass control knob features a 6-pin plug, compatible with most car amplifiers. Simply insert the 6-pin plug into the subwoofer’s interface and the control knob for easy setup. It also includes a power indicator light to show the connection status

Extra-Long Flexible Extension Cable: The bass knob comes with a 11.48ft flexible extension cable, providing sufficient length to install the controller in the driver’s convenient space or anywhere you prefer to control the bass volume

Premium Quality & Durability:The bass knob for car amplifiers is made with a pure copper core and PVC insulation material, offering resistance to aging, sun exposure, and wear, ensuring long-lasting durability

After-Sales Support:Our dedicated after-sales service ensures that if anything goes wrong, we’ll solve it quickly with a full satisfaction guarantee.Please contact us if you encounter any issues