The Best Shallow Mount Subwoofers Add Bass, Save Space | AutoGuide.com
Amazon.com: 10-Inch Modified Car Subwoofer, 12V High-Power Subwoofer Dedicated Audio for The Trunk, Strong Versatility and Suitable for 99% of Models : Everything Else
Shallow subs for big bass in a tight space
TS-WX130EA - Car Subwoofers | Pioneer
VIBE 8" Car Audio 1200W Subwoofer Active Spare Wheel Bass Enclosure + Amp 887771007045 | eBay
Undercover subwoofers
Shallow Mount Subwoofer Vs Regular: Which Is Better? | Subwoofer, Car subwoofer, Car audio systems
Pioneer TS-WX130EA Under Seat Space Saving Active Amplified Car Subwoofer 160W 3783709695087 | eBay