Pioneer Car Stereo Steering Wheel & BOSE Amp Bypass Interface Fits Audi A3 99 On
PIONEER Audi A3 A4 A6 TT 1999 On 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 2014 SWC with MPB & BOSE Amplifed Interface Features.