The AudioControl LC8i Black 8-Channel Line Output Converter with Auxiliary Input is a premium audio device designed to enhance your vehicle's in-car entertainment system. With its brand reputation and specific manufacturer part number, this converter is a reliable choice for those looking to improve their car's audio quality. The inclusion of auxiliary input allows for seamless integration of external audio sources, making it a versatile component for any car audio setup. Elevate your driving experience with the AudioControl LC8i. One of the four housing screws is missing. This does not have any effect on the performance.