Axxess AXM50-GM1GM Amp Retention Interface for Select 2014-2021 Cadillac/Chevrolet/GMC Vehicles
Vehicle-specific add-on amplifier interface for use when replacing the factory radio, such as with Metra’s dash kits. It is designed to retain the BOSE amplifier in select GM vehicles. This interface will also retain the balance audio feature when replacing the factory radio and is Micro “B” USB updatable.