Bump up your current car audio system with 10-inch Heavy-Duty Single Sealed Vehicle Subwoofer Enclosure Woofer Box. 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 sealed subwoofer enclosure box. Feel the bass boom deeply and precisely with this airtight enclosure housing that produces quality sound in each beat. This durable woofer box features a circular recessed panel with gold-tipped spring-loaded terminals. Crafted from heavy-duty medium-density fiberboard this subwoofer enclosure box is built to last. Premium charcoal gray-colored carpeting adds ultra-security and durability to the box.