Upgrading Audi A3 OEM Subwoofer with aftermarket 8" JBL woofer and DS18 Candy Amp in stock location. - YouTube
Audi A3 saloon subwoofer | Audi-Sport.net
dizzythedog.com
OEM Audi A3/s3 8v Sedan Loudspeaker Subwoofer 8V0035412B for sale online | eBay
Audi A3 FWD Underfloor Sub Box (2006-2013)
FBaudi01 Audi A3 8L Fit-Box subwoofer enclosure
M.A.P Audio & Customs - Custom made fiberglass 8" subwoofer enclosure for an audi a3 8v. This was hand made with mdf rings and support braces. It was then fiberglass and covered
2006 - 2012 AUDI A3 Bose Speaker set w Subwoofer 8P4035382A OEM | eBay
Trunk Subwoofer Speaker Box Sub 06-08 Audi A3 - 8P4 035 382 B | CarParts4Sale, Inc.