For car audio enthusiasts looking to fine-tune their sound system, the universal RCA audio controller/amplifier video device is an ideal solution. With inputs and outputs, it provides easy volume adjustments. Connect the RCA inputs to your audio source and the RCA outputs to your amplifier for a seamless integration. This device ensures precise control over your audio levels, enhancing your overall listening experience. Features -Color:Multi -Material:Copper -Size:25.00X5.50X2.30cm/9.82X2.16X0.90in -Dual rca inputs and outputs: this volume level control for amplifier features rca inputs and rca outputs, allowing for the connection of multiple audio devices for a comprehensive audio setup -Volume control: the volume adjustment feature lets you the audio levels to your preference, providing a and enhanced audio experience -Clear audio: the volume level control for amplifier ensures clear and high fidelity audio output, significantly improving the sound quality of your car's audio system -Effortless operation: designed for simplicity, this rca bass knob allows you to easily connect your devices and start controlling and amplifying your audio with minimal setup -Wide range of compatibility: this audio amplifier knob is compatible with various car audio systems, making it a versatile and valuable addition to any vehicle Package list: 10 x audio adjusters