Goldwood TR12F 12" Single Truck Box Speaker Cabinet Goldwood Sound TR12F single slim 12" woofer sealed car enclosure, 12" woofer hole is 11" in diameter, built-in terminal with gold screw posts, fits most cars High quality MDF hardwood, enclosure volume is .85 cubic feet, height 15.125" x length 19.125" x top depth 7.125" x bottom depth 8.125", speaker mounting depth is 6.375" 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