Maximize the performance of your subwoofer by pairing it with a high quality box designed for deep, quality bass the Q Power TW12 12 Inch Sealed Subwooofer Box Enclosure.This box features solid 5/8 inch MDF construction, charcoal carpet covering, terminal cup connectors, 0.9 cubic feet of air space, and a mounting depth of 5.5 inches. Combine these key ingredients and you've got some of the deepest, highest quality bass on the market.Turn your ride into a sound machine with the help of the Q Power TW12 12 Inch Sealed Subwooofer Box Enclosure. | Qpower | | Q Power 12-Inch Sealed Slim Shallow Truck Subwooofer Box Enclosure | TW12-SINGLE | Charcoal Gray | Best Buy