●Pro Tuned 12” Single Vented subwoofer enclosure designed for optimum bass response and low frequency reproduction ●CNC Miter and Dado design and construction for the ultimate in air tight precision fit of all parts which ensures a rattle and noise free environment ●Specially Formulated Aliphatic Wood Glue to ensure an airtight seal between all MDF parts with a second application of glue around all internal joints after final assembly ●Pneumatic Applied Brad Nails to pull tight and hold the MDF parts during the glue drying process and help assure a no-leak, no-rattle air chamber ●Enclosure Dimensions Mounting Depth:13.875”, Sub cut out: 11.125”, Height: 13.625”, Width: 16”, Depth: 17.375”