Metra - Axxess Amplifier Retention Interface for Select 2014-2021 GM Vehicles - Multi

This AXXESS add-on amplifier interface is designed for use when replacing the factory radio, such as with Metra’s dash kits. This retention interface will retain the Bose amplifier and the balance audio feature when replacing the factory radio in select 2014-2021 GM vehicles, and is micro USB updatable.