Rockville RSE12 Single 12 1.1 cu.ft. 5/8 MDF Sealed Car Sub Enclosure Box Rockville RSE12 Single 12 1.1 cu.ft. 5/8 MDF Sealed Subwoofer Enclosure Box Designed for 12" subwoofers. Machine precision cut mounting holes 5/8 USA Heavy Duty MDF Construction. Top of the line Glue for extra durable adhesion High quality speaker terminals, Designed to give the best sound quality Designed, tested, and engineered to work with most of todays popular woofers. These enclosures are built with the quality additives needed to maximize the performance of any sound system. Rockville RSE12 Single 12 1.1 cu.ft. 5/8 MDF Sealed Subwoofer Enclosure Box Designed for 12&#034; subwoofers Machine precision cut mounting holes 5/8 USA Heavy Duty MDF Construction Top of the line Glue for extra durable adhesion High quality speaker terminals Designed, tested, and engineered to work with most of todays popular woofers. These enclosures are built with the quality additives needed to maximize the performance of any sound system. Designed to give the best sound quality Type of Enclosure: Sealed Enclosure Sub Size: Single 12&#034; Dimensions in Inches: 13&#034; L x 13&#034; W x 13&#034; H Top and Bottom Depth: 13&#034; Mounting Depth: up to 10.5&#034; (enough depth for any sub on the market) Gross Volume Per Sub (Measurement for the outer dimensions of the box): 1.5 Cubic Feet Net Volume Per Sub (Measurement for the outer dimensions of the box less the thickness of the wood): 1.1 Cubic Feet