Bring on the bass with the help of this Q Power HD12 12" Sealed Triple Car Audio Subwoofer Sub Box Enclosure. Designed and built for the deepest bass, the enclosure features a compact 3 hole chamber design with 1.2 cubic feet of air space per divided chamber. Made with 3/4 inch MDF wood and reinforced with 1 inch on the baffle, this brand new high quality sub box is outfitted with durable grey carpet covering and spring loaded gold terminals. The Q Power HD12 comes with a 1 Year Manufacturer Warranty. We are an authorized Q Power dealer!