Amazon.com: Compatible with Audi A3 2006-2010 Factory Speaker Replacement Harmony Coax (2) R65 Package New : Electronics
BASSER Audi A6 C7 Avant R - 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
Audi A3 - Custom Stealth Sub Install (Pictures Included) - AudiForums.com
Wicked C.A.S. > Audi > AUDI A3 Magic Box 10 / 12 / 13 SUB BOX SUBWOOFER ENCLOSURE
2003 - 2013 Audi A3 Amp and Sub Install - YouTube
AUDI A3 8V 2013 - Install Subwoofer - YouTube
Buy Audi A3 Subwoofer | UP TO 58% OFF
For Audi A3 8P Subwoofer Housing for 20 CM 8 Inch Woofer Space-Saving Boot | eBay
Easy B+O Subwoofer Install How-To w/ Photos +Signal Analysis | Audi TT Forum
Wicked C.A.S. > Audi > AUDI A3 Magic Box 10 / 12 / 13 SUB BOX SUBWOOFER ENCLOSURE