Audi A3 2003 Onwards JL Audio 8" 150 Watts Car Subwoofer Custom Bass Box Kit
Audi A3 | Como retirar SUBWOOFER original 《Estava detonado》 - YouTube
SUBWOOFER BASSI BOX Woofer Soundsystem Audi A3 Cabrio 8P 8P7035382 EUR 72,47 - PicClick IT
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