Amazon.com: KICKER TRTP 12-inch (30cm) Thin Down Firing Subwoofer and Passive Radiator Enclosure, 2-Ohm, RoHS Compliant : Electronics
Amazon.com: American Bass 2 x 15 Subwoofer 2000W 4 Ohm DVC Pro Car Audio XO-1544 : Electronics
Amazon.com: Car Audio Dual 15" Sealed Subwoofer Slanted Hatchback Stereo Sub Box Enclosure : Electronics
Amazon.com: Skar Audio SK1X12V Single 12" Universal Fit Ported Subwoofer Enclosure : Electronics
Amazon.com: BOSS Audio Systems BASS8 8 Inch Under Seat Powered Car Subwoofer – 800 High Output, Low Profile, Built in Amplifier, for Truck, Boxes and Enclosures, Remote Subwoofer Control : Electronics
Amazon.com: Bbox Dual 10 Inch Subwoofer Sealed Enclosure - Fits 1999-2006 Heavy Duty Chevrolet/GMC Crew Cab - Car Subwoofer Boxes & Enclosures - Subwoofer Box Improves Audio Quality, Sound and Bass - Charcoal : Electronics
Amazon.com: LAB SlapBox Ported/Vented MDF Sub Woofer Enclosure Box for Sundown Audio SA-Series Car Subwoofer(s) | ¾ Premium MDF Construction | Made in U.S.A. (Dual 8" SA-Series) : Electronics
Amazon.com: Dual 12" Subwoofer Regular Standard Cab Truck Sub Box Enclosure 5/8" MDF - Black : Automotive