This car amplifier knob is designed to enhance your in-car audio experience. It features adjustable audio potentiometers, allowing you to fine-tune the sound output to your preference. Whether you're looking to boost the bass or control the volume levels, this device provides precise control over your car's audio system. Ideal for car audio enthusiasts who demand great sound. Features -Color:Black -Material:ABS -Size:7.60X6.90X3.20cm/2.99X2.71X1.26in -Adjustable audio potentiometer: adjust your with adjustable audio potentiometers, allowing for precise control over your car's audio settings -reliable abs material: made from great abs material, this audio amplifier is designed for durability and ease of use, ensuring performance -Enhanced bass controller: boost your bass levels with the bass controller, creating immersive and powerful audio experience in your vehicle -Improved sound quality: specifically designed for car audio systems, this amplifier enhances both sound quality and volume, providing a great listening experience -Unique audio experience: adjust your car's audio settings to improve sound quality and overall audio experience, making every drive more enjoyable Package list: 2 audio bass control knob