TR69 Pair of Sealed Car Bass Box Speaker Enclosure Cabinets for 6X9 Speakers 6" x 8.75" woofer holes, built-in terminal with gold screw posts, wire leads included, fits most cars High quality MDF hardwood, enclosure volume is .2 cubic feet per box, height 8.5" x length 12" x top depth 4.75" x bottom depth 6.75" per box, speaker mounting depth is 4.5" The front (where the woofers are loaded) are slanted and the back are flat, made of only the best black aviation carpet Ships fully assembled, simply drop in your woofers Applications: car, truck, SUV or fixed installation speakers