Audi A3 Bose Speaker Set W Subwoofer 8p4035382a OE Fits AUDI 2006 2006-2012 | eBay
A guide to upgrading the sound system on A3 8v (so that it's Hi-Fi and better than the B&O system) | Audi-Sport.net
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
AUDI A3 8V 2013 - Install Subwoofer - YouTube
Audi A3 (1996->2003) stealth box for subwoofer
Audi A3 8P fabryczny subwoofer Bose a fabryczny Blaupunkt - YouTube
Has anyone added a subwoofer or amplifier to their 8v? | Audi-Sport.net