BASSER Audi A3 - 8" Fit-Box Subwoofer Enclosure 8L
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
2015-2020 Audi A3 Sedan Subwoofer Audio Speaker 8V0-035-412-C | eBay
Audi a3 8L subwoofer Audio System HX08SQ zabudowa basstest - YouTube