For BMW Android 14.0 system screen + optical fiber audio box

For Benz Android 14.0 system screen + optical fiber audio box

Digital Pre-Amplifier Fiber optic Interface box for BMW DSP audio upgrade

Digital Pre-Amplifier fiber optic box for Mercedes-Benz DSP audio upgrade

Digital Pre-Amplifier Interface for BMW DSP audio upgrade with ID7/ID8

Digital Pre-Amplifier coaxial interface for Mercedes-Benz DSP audio upgrade

Digital Pre-Amplifier interface for Lexus Toyota DSP audio upgrade

Digital Pre-Amplifier fiber optic box for Land Rover Jaguar DSP audio upgrade

Digital Pre-Amplifier ethernet interface for Land Rover Jaguar DSP audio upgrade

Digital Pre-Amplifier fiber optic box for Volkswagen DSP audio upgrade

Digital Pre-Amplifier fiber optic box for Volvo DSP audio upgrade

Digital Pre-Amplifier ethernet interface for Cadillac DSP audio upgrade