The Q-Power QBomb 12-inch single vented subwoofer box is designed to fit behind your truck seat and enhance the bass of your 12-inch subs. The vented sub box is finished with a black bedliner spray for increased durability and added style. It features a solid 0.75-inch MDF construction, terminal cup connectors, 1.88 cubic feet of air space, and a mounting depth of 5-inches. If you are looking to really make the bass bounce, then turn your ride into a sound machine with the Q-Power 12-inch subwoofer box.