KICKER Comp Down-Firing Loaded Enclosures gives you affordable big-bass performance - without taking up lots of room in your trunk or cargo area. Stack Your Stuff The high-output Comp Down-Firing Enclosures are tough as nails. Load your cargo right on top of the sub for extra space ? with plenty of bass! No grilles needed. Comp Power With full perimeter venting and UniPlate back plate and pole piece, the Comp subwoofer has outstanding thermal management. A stiff, injection-molded cone with 360-degree back bracing keeps the bass smooth and loud all day long. Better Boxes Built for extreme bass, this KICKER sub box utilizes extensive internal bracing, thick MDF construction and custom embroidery. You get the kind of reliability and great looks that make showing off your bass easy ? and awesome!