American Sound Connection HP212V-RL Vented 3/4-Inch Wood with Spray Liner Finish Dual 12-Inch Armor Coated Ported Subwoofer Enclosure Built out of 3/4" MDF for Maximum Strength Width : 34" x Height : 13" x Depth : 16" Air Space : 3.2 Cubic Ft (1.6 Per Chamber) Vented Slot Design - Maximum Bass Reproduction