Pioneer Car Stereo Steering Wheel & BOSE Amp Bypass Interface For Audi A4 B6, B7
PIONEER Audi A4 B6 B7 Models - Car Stereo Steering Wheel & BOSE Amplified Interface Kit. Most Audi's with the Bose badge have either rear or all speakers amplifed. T1 Audio latest SWC with MPB & BOSE Amplifed Interface Features.