Features: Experience precise Sound control with our Car Subwoofer Amplifier Controller, designed to effortlessly adjust bass levels for a superior sound experience. Featuring intuitive knob interface and LED Position indicators, this controller ensures easy operation and real time monitoring, while its Small design allows for Multifunction installation in any vehicle. Suitable for car Sound enthusiasts, modification aficionados, and music lovers seeking enhanced bass effects during their drive. Perfect for daily commutes, long road trips, or in car gatherings, allowing you to the music to suit any occasion and create enjoyable atmosphere. Crafted from high Performances ABS materials, this controller offers durability and stability, ensuring it withstands the rigors of everyday use while seamlessly integrating into your existing car Sound system. Specifications: Material: ABS Length: about 5m/196.85inch Package Includes: 1xCar Subwoofer Amplifier note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the difference between different monitors, the picture may not reflect the actual color of the item.