Crank up the volume with the Q Power QBOMB12VLSQ Dual 12 Inch Side Ported Speaker Box for Kicker L7 Sub. This sub box measures 14.5 inches high, 36 inches wide, and 22 inches deep. It features 2.25 cubic feet of air space. It is specially side-ported for a 12 inch Kicker L7 Subwoofer. This model also features a high-quality spring-loaded terminal. The electronics of this box has a tuning frequency of 42HZ. The dual-port design allows you to fit 2 subwoofers for optimal sound. The QBOMB is designed to be rugged and tough. It is coated in a durable bed liner. This protects from bumps and scratches as a result of anything rolling around in your trunk. Plus, the subwoofer protector is also made with 3/4 MDF wood that provided added quality and durability. Take your car audio experience to the next level with the Q Power QBOMB12VLSQ Dual 12 Inch Side Ported Speaker Box.