Belva Professional Grade Custom 12-inch Car Ported Subwoofer Box 3/4-inch MDF Prelined Polyfil Includes Custom Black Baffle [BBX112BK] Single 12 -inch ported subwoofer enclosure with 1.842 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 16"W x 18.75"H Stylish black carpet cover and black high gloss front face board to prevent exterior scratches