BBox E15DV Dual 15" Vented Carpeted Subwoofer Enclosure Cutout Diameter - 14" Max Mounting Depth - 12.75" Net Volume - 4.06" (Height) 17" x (Width) 39.875" x (Depth) 16" Premium Charcoal Carpet 15-inch Dual Vented Enclosure Vented Chambers MDF Construction Completely Carpeted Enclosure 1-inch Speaker Baffles