• Pro Tuned Dual Vented (shared air space) subwoofer enclosure designed for optimum bass response and low-frequency reproduction which is ideal for high power or sound quality subwoofers;• 1 in. high-grade MDF front baffle for ultimate structural rigidity and no-flex construction;• CNC miter and dado design and construction for the ultimate in an airtight precision fit of all parts which ensures a rattle- and noise-free environment;• Recessed side panels increase structural integrity and eliminates unwanted flex and vibration;• Specially formulated aliphatic wood glue ensures an airtight seal between all MDF parts with a second application of glue around all internal joints after final assembly;• Pneumatic applied brad nails pull tight and hold MDF parts during the glue drying process and help assure a no-leak, no-rattle air chamber;• Premium OEM-grade carpeting for factory look and durability;• 10 in.;• 3.23 cu. ft. net volume internal air space (1.83 cu. ft. per sub) is ideal for tight accurate bass reproduction;• Sub cutout: 9.125 in.;• Mounting depth: 14.75 in.;• Dimensions: 12 in. H x 30 in. W x 15.5 in. D;