Rockville RW7SV12 12" JL Audio 12W7 12W7AE Vented Subwoofer Enclosure Sub Box Rockville RW7SV12 Single 12" 1.28 cu.ft. MDF Vented Subwoofer Enclosure Box Designed specifically for the 12" JL W7 Subs. Machine precision cut mounting holes USA Heavy Duty MDF Construction. Top of the line Glue for extra durable adhesion High quality GOLD spring loaded terminals, Designed to give the best sound quality Built to JL Audio Recommendations Rockville RW7SV12 Single 12&#034; 1.28 cu.ft. MDF Vented Subwoofer Enclosure Box Designed specifically for the 12&#034; JL W7 Subs Machine precision cut mounting holes USA Heavy Duty MDF Construction Top of the line Glue for extra durable adhesion High quality GOLD spring loaded terminals Designed to give the best sound quality Built to JL Audio Recommendations Type of Enclosure: Ported/Vented Enclosure Sub Size: Single 12&#034; Dimensions in Inches: 16&#034; L x 24.25&#034; W x 13.25 H&#034; Top and Bottom Depth: 16&#034; Mounting Depth: up to NA&#034; (enough depth for any sub on the market) Gross Volume Per Sub (Measurement for the outer dimensions of the box): 1.7 Cubic Feet Net Volume Per Sub (Measurement for the outer dimensions of the box less the thickness of the wood): 1.28 Cubic Feet