Belva Dual 12-inch Car Ported Subwoofer Box 3/4-inch MDF Prelined Polyfil Includes Custom Black Baffle [BBX212BK] Dual 12 -inch ported sub enclosure with 3.70 cu ft total box volume High Quality MDF Construction has better density and consistency to always sound great Spring clip terminals work best with bare wire connections with small gauge speaker wire, or pin type connectors Dimensions: 16"D x 35"W x 16.25"H Stylish black satin finish front face board and black carpet cover to prevent exterior scratches