Specifically for vehicles equipped with or without factory BOSE sound systemRetains vehicle's factory Steering Wheel Controls (if equipped) when installed with a SWC compatible aftermarket radio (Alpine, Clarion, JVC, Kenwood, LG, Panasonic, Pioneer, Philips, Sony, Jensen, Android and off-brand aftermarket radios)Provides 12-volt accessory powerAllows for the installation of aftermarket radio using existing factory wiring and connectorsNo cutting of factory wiring necessary
A3 equipped with factory Concert radio and without factory navigation onlyA4/S4 equipped with Symphony factory radio and without factory navigation only
