Features: Easily adjust the volumes of your car amplifier and subwoofer with this convenient remote Controllers. Manage your audios system while on road. Customize the sound output to suit your preferences and enjoy a listening experience. Designed for car owners who appreciate quality sound, this volumes Controllers is fit various car audios systems and subwoofers. Perfect for those seeking to optimize their in car audios experience. Whether you are driving in the city, on the highway, or going on a long trip, this remote volumes Controllers is a practical addition to your car. Adjust the volumes easily and safely without distractions, ensuring a pleasant journey. Control of your car audios system with this remote volumes Controllers. Fine tune the amplifier and subwoofer volumes to create the perfect sound for your drive. Upgrades your in car entertainment and enjoy every moment on road. Specifications: Material:ABS Cable Length:Approx.4Meters/13.1Ft Package Includes: 1x Amplifier Knob note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.