The Dual Subwoofer CSB 218PRIME from CKS ACOUSTICS high-power audio in a front-loaded design, ideal for Live & Roadshow applications. The speaker Box has a strong 18-Ply marine enclosure with black/orange Dura flex finish paint steel grille for lasting durability & superior acoustic performance. There are two 18″‘ LF Drivers Neodymium/Ferrite that provides an extended low frequency as low as 25Hz. The specially designed subwoofers had to reach a broad audience with a long throw, high punch & vibrations for a roadshow application. The rectangular cabinet design allows vertical or horizontal placement. The speaker has a peak power rating to provide powerful performance with low distortion. Standard Neutrik Speakon connectors provide wide compatibility with a variety of sound systems. Integrated MS handles in the sides (2-Each left & right side) of the cabinet provide convenient transportation.