The custom enclosure used in this package was engineered by specifically for the subwoofers that are loaded in it, ensuring perfect sound and compatibility. This competition grade ported enclosure was designed for ultra responsive, low end frequency response, with all three drivers utilizing a single large shared chamber that shares two advanced slot ports located on opposites sides of the rear of the enclosure. Furthermore, the enclosure is finished in premium grade black carpet for a sleek appearance and features the logo in white on the top surface of the box. The subwoofers come pre-wired and loaded inside of the enclosure allowing for an easy and hassle-free installation. The three dual 2-ohm subwoofers come pre-loaded and wired up inside of this custom triple 8 ported enclosure with a final impedance load of 1.33-ohms to a single speaker terminal cup located on the backside of the enclosure.