Feature●RockvilIe REC97 Dual 12" Ported SUV Subwoofer Enclosure - Behind 3rd Row●Fits Behind 3rd Row, Downfire. For Tahoe/Denali SUVs.●Finished with Durable Bed Liner. 3/4" MDF●Air Space: 1.25 Cubic Feet (per sub). Mounting Depth: 9"●Product Dimensions (H x W x D): 13.5" x 42.25" x 16.25" inchesDescription