Description
9″ Complete Installation Kit For Audi A4 (B7) 2005-2008 – Steering Wheel Controls / Fully Amplified Systems
Compatibility
- Audi A4 (B7) 2005 – 2008
- Audi A4 Cabriolet 2001 – 2009
- For vehicles with steering wheel audio controls and fully amplified (BOSE) sound system
Kit Contents & Features
- Vehicle-specific 9″ fascia panel for large-screen head units – black OEM-style finish
- Audi Quadlock CANbus steering wheel control interface with amplifier turn-on – retains volume, track, source & phone buttons
- Amplifier retention harness with 4 x phono pre-out connections for the factory BOSE system
- Key-present ignition – stereo turns on and off with the key
- CANbus outputs for illumination, speed pulse, reverse gear and handbrake
- Pioneer patch lead for the steering wheel control interface
- Double Fakra to DIN antenna adapter with 12V phantom power for amplified antennas
Upgrade your Audi A4 with this complete 9″ installation kit – designed to deliver a seamless, professional infotainment upgrade in one box. This all-in-one solution allows you to install a modern large-screen head unit while keeping your factory sound system working as intended.
Good To Know
- This kit is for cars with fully amplified BOSE audio – for standard rear amplified systems see our other A4 kits
- Designed for 9″ Perfect Fit head units – not compatible with standard 7″ double DIN stereos
- Pairs perfectly with the Pioneer SPH-PF97BT and other 9″ universal head units
Need it fitted? Professional installation is available at our Leyton, London workshop – get in touch on WhatsApp or call 020 8558 8111.










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