Audi Multi Kit 1996-2007his stereo installation kit has been engineered to help you install a 2” tall (Single-DIN) aftermarket radio into the original vehicle dashboard, making radio replacement simple. The dash kit is designed to match the original look and feel of the vehicle’s dashboard. Installing an aftermarket radio can upgrade the sound quality and provide additional features the original factory radio couldn’t offer but requires this dash kit to make it fit. Stereo installation kit designed to fit any standard 2” tall aftermarket radio Made from the highest quality ABS plastic for an original factory-like fit and finish Includes the hardware parts needed and detailed installation instructions A tech support number is available for installation help 7 days a week Wiring And Antenna Connections:Harness 70-1784 (non-amplified)(sold separately) 70-1785 (amplified)(sold separately) 70-1787 (amplified)(sold separately) Antenna Adapter 40-VW10 (sold separately) 40-VW54 (sold separately) Visit Metraonline.com for vehicle specific audio/video and steering wheel control interface options (sold separately).Applications Audi A4/A6/A8 1996-1999 A3(with Concert radio)2006-2007 A4 & S4(with Concert radio)2000-2005 TT 2000-2006