Goldwood TR8S 8" Single Sealed Car/Truck Box Speaker Cabinet Goldwood Sound TR8S single 8" woofer sealed car enclosure, 8" woofer hole is 7.125" in diameter, built-in terminal with gold screw posts, wire leads included, fits most cars High quality MDF hardwood, enclosure volume is .46 cubic feet, height 10" x length 14.125" x top depth 6.875" x bottom depth 9.75", speaker mounting depth is 6.5" The front (where the woofer is loaded) is flat and the back is slanted, made of only the best black aviation carpet Ships fully assembled, simply drop in your woofer Use for car, truck, SUV or fixed installation speakers