HGYEDA Bass knob for amp Universal Bass Control Knob, Universal Bass Volume Knob with Extension Cable for Car Amplifier, black

【CUSTOMIZE YOUR BASS】:External bass control knob provides customizable bass for your optimal sound experience, 【Longer wires】:The bass control knob connector cable is approximately 13 feet. It is usually installed in the free position of the driver to provide easier control of the volume., 【EASY to INSTALL】:the bass control knob is easy to install and use by plugging the 3-pin crystal connector into the sound interface of the subwoofer and the other end into the bass control knob., Compatible with MTX amplifier THUNDER and WET series monoblock channel models: THUNDER1000.1, THUNDER500.1, and WET500.1, INCLUDES: Integrated mounting slots with hardware included for install, 100% QUALITY GUARANTEE-All of our products to give a lifetime of service