Goldwood TR8F 8" Single Truck Box Speaker Cabinet Goldwood Sound TR8F single slim 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 .4 cubic feet, height 11.25" x length 15.25" x top depth 5" x bottom depth 7.25", speaker mounting depth is 4.75" The front (where the woofer is loaded) is slanted and the back is flat, 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