Cruise down the road jamming to bopping, high-quality tunes. Bump up your current car audio system with QPower Durable Single 15-Inch Side-Vented Kicker L7 Square Subwoofer Speaker Box. Custom designed for Kicker L7 Subwoofer.There's nothing more liberating than riding carefree down the streets singing your favorite songs at the top of your lungs. Upgrade your car audio system to this high-performance single square subwoofer enclosure box. Easily install the box using included screw down deluxe terminal cups and feel the bass boom deeply and precisely with this durable woofer box. A single right-side port measures 15.5-inches tall by 4-inches wide.Crafted from heavy-duty medium-density fiberboard, this subwoofer enclosure box is built to last. Premium bed liner spray adds protection and increases longevity.Take your car system to the next level with QPower Durable Single Side-Vented Kicker L7 Square Subwoofer Speaker Box.