For Audi A3 8V B&O audio amplifier speaker subwoofer|Cables, Adapters & Sockets| - AliExpress
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
8V0035415C 8V4035411B LOUDSPEAKER SPEAKERS 8V0035415C 8V4035411B AUDI A3 8V