Ready to boost your car's bass? This ASC single 12-inch subwoofer box is built to deliver serious sound! It's made from 3/4-inch MDF wood all around, which is super sturdy and reduces vibrations. The special vented port design (with a patent-pending snake-like shape) tunes the enclosure and increases back pressure for maximum bass output. It has an air space of 1.75 cubic feet and a mounting depth of 12-1/4 inches, so it fits most mid to high-end 12-inch subwoofers. The box is fully sealed with liquid nails and nails, then wrapped in high-quality carpet that matches most car interiors. It also includes a spring-loaded terminal cup for easy, reliable connections. Whether you're a car audio newbie or a seasoned pro, this enclosure helps your sub perform at its best. Just plug in your subwoofer, secure it in your trunk, and feel the rumble!