15 in. 2200-Watt Deluxe Series DVC Subwoofers Plus Dual 15 in. Vented Port Sub Box (2) 2 x QPF15 + QBOMB15V
Ported Custom Sub Enclosure Box for 1 15" Kicker CompVX DVC 4ohm Sub - 32 hz | eBay
Rockville W12K9D4 12" 4000w DVC 4-ohm Car Subwoofer+Sealed Sub Box Enclosure
Allied Moulded P-118OW :: 18 CI 1G DVC BOX EARS BRKTS KLMPS :: Rexel USA
Pyle Pl1290bl 12" 1200w Dvc Blue Power Stereo Car Audio Subwoofer And Qpower Qsbass12 Single 12" Vented Slot Ported Subwoofer Sub Enclosure Box : Target