MTX AUDIO TNE212D 12 in. 1200-Watt Car Audio Dual Loaded Subwoofer Box Enclosure TNE212D - The Home Depot
BPKG212v2 | 1200W Peak Dual 12" Loaded Ported Subwoofer Package with A – Belva
Amazon.com: Seismic Audio - SA-PGSV10LED - Dual 10 Inch Vented 1000 Watt Car Audio Subwoofer Box with LED Lights & Plexiglass Window : Electronics
Rockville RV208P Dual 8" 800w Car Audio Subwoofers in Vented Sub Enclosure Box - Rockville Audio
Rockville DV12K6D1 Dual 12" 4800w Car Audio Subwoofers Plexi Sub Enclosure Box - Rockville Audio
BOSS Audio Systems CUBE8 8 Inch Car Audio Subwoofer and Amplifier Package – Powered, Built-in Amplifier, Passive Radiator, Remote Subwoofer Control, For Truck, Boxes and Enclosures - Walmart.com
Amazon.com: American Sound Connection Car Audio Custom 6" X 9" Sealed Hi Quality Pair Speaker Enclosure Unloaded Box : Home & Kitchen