![Amazon.com: Stereo Wire Harness for Audi S4 (w/Symphony Radio) 02 03 04 05 06 07 08 2002 2003 2004 2005 2006 2007 2008 (car Radio Wiring Installation Parts) : Electronics Amazon.com: Stereo Wire Harness for Audi S4 (w/Symphony Radio) 02 03 04 05 06 07 08 2002 2003 2004 2005 2006 2007 2008 (car Radio Wiring Installation Parts) : Electronics](https://m.media-amazon.com/images/I/51Q1rSxuR3L._AC_SL1000_.jpg)
Amazon.com: Stereo Wire Harness for Audi S4 (w/Symphony Radio) 02 03 04 05 06 07 08 2002 2003 2004 2005 2006 2007 2008 (car Radio Wiring Installation Parts) : Electronics
![Audi Workshop Manuals > A2 > Vehicle electrics > Radio, telephone and navigation system > Infotainment > Radio systems > Overall layout of radio systems > “symphony” and (as of MY 02) “concert” radio with BOSE sound system Audi Workshop Manuals > A2 > Vehicle electrics > Radio, telephone and navigation system > Infotainment > Radio systems > Overall layout of radio systems > “symphony” and (as of MY 02) “concert” radio with BOSE sound system](https://workshop-manuals.com/audi/a2/a2-4855.png)
Audi Workshop Manuals > A2 > Vehicle electrics > Radio, telephone and navigation system > Infotainment > Radio systems > Overall layout of radio systems > “symphony” and (as of MY 02) “concert” radio with BOSE sound system
![PAC C2R-AUDI Wiring Interface Connect a new car stereo and retain the factory Bose® or Symphony audio system in select 2004-up Audi vehicles at Crutchfield PAC C2R-AUDI Wiring Interface Connect a new car stereo and retain the factory Bose® or Symphony audio system in select 2004-up Audi vehicles at Crutchfield](https://images.crutchfieldonline.com/ImageHandler/trim/750/457/products/2010/19/127/x127C2RAUDi-f_mt.jpeg)
PAC C2R-AUDI Wiring Interface Connect a new car stereo and retain the factory Bose® or Symphony audio system in select 2004-up Audi vehicles at Crutchfield
![AUDI A4, S4 BOSE SYMPHONY RADIO WITH SECURITY CODE | Classifieds for Jobs, Rentals, Cars, Furniture and Free Stuff AUDI A4, S4 BOSE SYMPHONY RADIO WITH SECURITY CODE | Classifieds for Jobs, Rentals, Cars, Furniture and Free Stuff](https://s3-us-west-2.amazonaws.com/usedphotosna/82421455_614.jpg)
AUDI A4, S4 BOSE SYMPHONY RADIO WITH SECURITY CODE | Classifieds for Jobs, Rentals, Cars, Furniture and Free Stuff
![ICT 20.270.IGN Amplifier Amp Retention Cable For Audi For Symphony And BOSE Radios - Audio Tech Direct ICT 20.270.IGN Amplifier Amp Retention Cable For Audi For Symphony And BOSE Radios - Audio Tech Direct](https://cdn11.bigcommerce.com/s-ewn4vv/images/stencil/1280x1280/products/4840/61430/ICT-20.270.IGN__27200.1631612770.jpg?c=2)