Overpriced trying to look high quality. The bluetooth output saturates the DRV632 amplifier if more than 60-70% is used, and caused terrible clipping. This is a big design flaw. Too high amplifier gain!
I already had rhis module installed in my car. This is for a friend. Gives nice quality. You have additional input for buttons, not documented anywere
This is not documented anywhere, but it works