After market sub install (sounds great) - Volvo Forums - Volvo Enthusiasts Forum
02 Volvo s60 custom subwoofer build
Subwoofer addition - Volvo Forums - Volvo Enthusiasts Forum
Amazon.com: Compatible with Volvo C70 1998-2002 Factory Speaker Replacement Harmony Upgrade Package New : Electronics
Factory OEM subwoofer for V70R, w/ wiring, bracket, cover, and mounts intact... even pictures from removal to help w/ install | SwedeSpeed - Volvo Performance Forum
I built a subwoofer enclosure for my wagon! | SwedeSpeed - Volvo Performance Forum
Amplifier - How Volvo adds it 9452029
Subwoofer addition - Volvo Forums - Volvo Enthusiasts Forum
Car Speaker Size Replacement fits 2006-2013 for Volvo C70 (not amplified) • FREE Shipping • Audio Jam Inc. of Delaware