Belva Dual 10-inch Car Ported Subwoofer Box 3/4-inch MDF Prelined Polyfil Includes Custom Blue Baffle [BBX210BK] Dual 10 -inch ported sub enclosure with 1.42 cu ft total box volume High Quality MDF Construction has better density and consistency to always sound great Binding post terminals that are versatile to tighten down against the wire for a cleaner connection Dimensions: 14"D x 30.5"L x 14"H Stylish black high gloss front face board and black carpet cover to prevent exterior scratches