The Q Power 10 inch QBOMB10HP single vented subwoofer box kicks the music up to the next level with deep sounding and powerful bass. The vented sub box is constructed of 0.75 inch MDF and finished with a black bedliner spray for increased durability and added style. It features a single vented chamber design with a middle slot port and boasts 1.4 cubic feet of air space per subwoofer. If you are looking to really make the bass hit hard, then turn your ride into a sound machine with the Q Power QBOMB10HP 10 inch subwoofer box.