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 Harmon Kardon® amplifier in select BMW. This interface will also retain the balance audio feature when replacing the factory radio and is Micro “B” USB updatable.
- Add-on amp interface to use with Select Axxess interfaces
- Retains Harmon Kardon amp in BMW
- Retains balance
- Micro “B” USB updatable
