Axxess GMOS-04 Class II OnStar® Interface for Amplified Systems Review
Axxess GMOS-04 Class II OnStar® Interface for Amplified Systems Feature
- Compatible with amplified GM vehicles
- For amplified audio systems premium and Bose
- Retains OnStar with adjustable volume output
- Retains chime with adjustable volume output
- Retains RAP feature
