Filter Filters Subwoofer Boxes Remove All Filters Price Under $50 (13) $50-$100 (51) $100-$500 (14) Condition New (73) Used (5) Size 10" (20) 12" (19) 15" (17) 6" x 9" (2) 8" (1) Receiver Size Yes 10-7-2015 (59) Car Audio Dual 12 inch Vented Subwoofer Stereo Sub Box Ported Enclosure 5/8" MDF $57.95 (5) Car Audio Dual 10" Vented Subwoofer Stereo Sub Box Ported Enclosure 3/4" MDF $69.95 (1) Car Audio Dual 15" SPL Bass Subwoofer Labyrinth Vent Sub Box Stereo Enclosure... $151.96 Car Audio Single 12" Sealed Square Sub Box Enclosure fits Kicker L7 Subwoofer... $43.96 Car Audio Single 15" Vented Subwoofer Stereo Sub Box Ported Enclosure 5/8"... $67.96 Car Audio Single 15" Vented Subwoofer Stereo Sub Box Ported Enclosure 5/8" MDF $57.95 (1) Car Audio Single 15" Vented Subwoofer Stereo Sub Box Ported Enclosure 3/4" MDF $72.95 Car Audio Single 15" Sealed Square Sub Box Enclosure fits Kicker L7 Subwoofer $54.95 (1) Car Audio Subwoofer Dual L7 L5 12" Vented Square Enclosure $79.95 Car Audio Dual 10" SPL Bass Subwoofer Labyrinth Vent Sub Box Stereo Enclosure $109.95 (2) Car Audio Subwoofer Single L7 L5 12" Vented Square Enclosure $54.95 Car Audio Dual 15" Vented Subwoofer Stereo Sub Box Ported Enclosure 3/4" MDF $109.95 (2) Car Audio Dual 12" Sealed Subwoofer Slanted Hatchback Stereo Sub Box Enclosure $69.95 (2) Car Audio Single 15" SPL Bass Subwoofer Labyrinth Vent Sub Box Stereo Enclosure $99.95 (1) Car Audio Dual 15" Sealed Subwoofer Rear Angle Sub Box Enclosure 3/4" MDF Wood $79.95 Car Audio Single 12" Vented Square Sub Box Enclosure fits Kicker L7 Subwoofer $54.95 (1) 2002-2013 Chevy Avalanche Car Audio Custom Dual 12" Subwoofer Enclosure Sub Box $139.95 Car Audio Triple 10" Sealed Subwoofer Rear Angle 3 Sub Box Stereo Enclosure $109.95 (1) Car Audio Dual 15" Sealed Square Sub Box Enclosure fits Kicker L7 Subwoofer $89.95 Car Audio Dual 12" Sealed Square Sub Box Enclosure fits Kicker L7 Subwoofer $74.95 (1) Car Audio Triple 12" Sealed Subwoofer Rear Angle 3 Sub Box Stereo Enclosure $129.95 Car Audio Dual 15" Vented Square Sub Box Enclosure fits Kicker L7 Subwoofer $99.95 (1) Car Audio Single 10" Sealed Square Sub Box Enclosure fits Kicker L7 Subwoofer $39.95 (2) Car Audio Dual 12" Vented Square Sub Box Enclosure fits Kicker L7 Subwoofer $79.95 1234