Audi A4 B5 Avant Rear Speaker & Subwoofer Connection: Non-Original Radio Module & ISO C1 Cube
Hertz X 65-6.5" Coaxial Car Speakers - Mounting Kit for Audi A4 B5 Rear Shelf - JustSound : Amazon.com.be: Electronics
tomzz Audio 4003-000 Speaker Installation Set Compatible with Audi A4 B5 A4 B5 Avant Front Door 130 mm Coaxial System TA13.0-Pro: Amazon.de: Electronics & Photo
Audi A4 B5 - How to connect rear speakers and subwoofer?
Audi A4 B5 - How to connect rear speakers and subwoofer?
Kovo's blog: audi a4 b5 woofer + fix
does anyone have pics on how to remove the rear speakers??? - AudiWorld Forums
Audi A4 B5 8D Door Speaker Rear Right Tür Lautsprecher Hinten Rechts 8D9035412B | eBay