Key features

• •【Eaily customize your bass】- This amplifier bass volume control knob is specially designed to solve the problem of the car audio or other sound equipment main control board and subwoofer volume out of sync, so that the music achieves the ultimate effect.Bass modulation for most speakers on the market.
• •【Easy to Installation】The design is simple and convenient, easy to install and use.The bass control knob is easy to install and use by plugging the 4-pin crystal connector into the sound interface of the subwoofer and the other end into the bass control knob . It is usually installed in the driver's free space Or some other suitable location, allowing you to remotely adjust and control the volume of the subwoofer from the front seat.
• •【Specifications】 The bass control knob connector cable is approximately 16 feet and a lightweight bass knob.We've come with the right aircraft case to prevent damage in transit, as well as a non-marking sticker for easy installation anywhere.
• •【Quality assurance】This amplifier remote control knob adopts pure copper core cable design,Anti riot and sunscreen, anti-oxidation, anti-aging, wear resistance, and longer service life. All of our products to give a lifetime of service. Any problems or needs, Please feel free to contact us.
• •【Matters need attention】This bass control knob suitable for most of the 4-pin audio equipment on the market, but there will still be some special audio equipment that cannot be applied. If there are any problems with the use, please feel free to contact us, we will serve until you are satisfied.