This **Q-Power 15"** QBOMB15VL Single Vented Subwoofer Box Enclosure is designed and built for the deepest bass. It features a single vented chamber design and boasts 3.85 cubic feet of air space. The **Q-Power 15"** Q-Bomb subwoofer box is finished with a black bedliner spray for increased durability. Turn your ride into a sound machine with the help of the Q-Power 15" Subwoofer Enclosure! If you want the most output for your money, this is the way to go.