Belva Dual 10-inch Car Subwoofer Box Sealed 3/4-inch MDF Prelined Polyfil [MDFD10] High Quality MDF Construction has better density and consistency to always sound great Gold post terminals for clean and easy wiring access Box Dimensions: 25"L x 12-1/2"D x 12-1/2"H Stylish durable black carpeting will look good on any type of car and prevent exterior scratches Two separate chambers allowing each subwoofer its own air space Dual Sealed 10&#034; Enclosure Internal box volume: 1.6 cubic ft. total air space - 0.8 cubic ft. per chamber High Quality 3/4&#034; MDF Construction Durable black carpeting Pre-lined with Poly-Fil Seams are fully caulked for better efficiency 2 Separate chambers allowing each subwoofer its own air space Gold post terminals for clean and easy wiring access Box Dimensions: 25&#034;<span class="a-text-bold">L</span> x 12-1/2&#034;<span class="a-text-bold">D</span> x 12-1/2&#034;<span class="a-text-bold">H</span>