Wicked C.A.S. > Audi > AUDI A3 Magic Box 10 / 12 / 13 SUB BOX SUBWOOFER ENCLOSURE
Audi A3 (1996->2003) stealth box for subwoofer
Alpine - SPC-300A3 Premium Alpine Sound System for Audi A3, S3, RS3
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
2015 Audi S3 B&O Subwoofer upgrade 10 inch Hertz, Audison amp install walk through - YouTube
FBaudi02 Audi A3 8P Fit-Box subwoofer enclosure
Incinta subwoofer Audi A3 8P - CarSound.ro
Audi+a3+subwoofer+oryginalny - Niska cena na Allegro.pl
Audi A3 8L - Subwoofer boards with double bass system - Jehnert Sound Design Automotive
2015-2020 Audi A3 Sedan Subwoofer Audio Speaker 8V0-035-412-B | eBay
Audi A3 8P 2003-2013 Vibe Black Death 8" 600 Watts Car Subwoofer Custom Bass Box Kit
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