Adding to bass to a regular cab truck can be a real headache! Luckily we have the perfect solution for this problem. This dual 12" enclosure will fit into any regular cab truck and is designed to fit directly behind the seat. This is a sealed enclosure designed for sound clarity and the box has enough mounting depth for entry and flat-piston style subwoofer(s). We do recommend purchasing subwoofer grille(s) for this model enclosure to protect your sub(s) from rubbing?é?á into the seat. Our boxes are made from precision cuts of MDF. They are then liquid nailed, nailed and completely sealed. We then wrap them with high quality carpet that matches most vehicle interiors. All Boxes feature high grade spring loaded terminal cup(s) for the absolute best connection possible. All the custom series enclosures are made to fit precisely into your vehicle to the get the max performance from every extra inch of wasted space. We guarantee you will not only see a difference in the quality of the boxes we build, but you will hear the difference and that is what is it is truly all about. SUPERIOR CONSTRUCTION: The ASC TRUCK492X12 is engineered with top-notch construction, ensuring it can withstand the rigors of daily use. Its sturdy build guarantees the protection of your subwoofers and ensures consistent performance and long-lasting reliability. ENHANCED AUDIO EXPERIENCE: With the TRUCK492X12 in your truck, you'll experience music with powerful, distortion-free bass that adds depth and impact to your audio. Whether you're cruising on the highway or enjoying your favorite tracks, this enclosure delivers a dynamic sound experience. DUAL 12" SUBWOOFER COMPATIBILITY: The TRUCK492X12 enclosure is specifically designed to accommodate two 12-inch subwoofers. This configuration ensures that you get deep, resonant bass that can transform your truck's audio system. It maximizes the available space while providing powerful bass and maintaining a sleek appearance. DIMENSIONS: Width 48-3/4" x Height 14-1/4" x Depth One 5-1/2" x Depth Two 7-3/4" ADDITIONAL ITEM SPECS: Mounting Depth of 10.5" making it compatible with the majority of 12-inch subwoofers and a total Air Space of 1.50 Cubic Feet for increased output