Eurocom CL118S Professional sound reinforcement subwoofer system designed for a variety of fixed installation applications Exceptional sound quality with ultra-low frequency extension and linear response 400-Watt 18" low-frequency transducer provide deep bass for medium to large sized rooms By-passable internal passive crossover for use with full range input signal Dual professional speaker connectors (compatible with Neutrik Speakon* connectors) and 4-position terminal strip Internally braced and acoustically inert rectangle birch plywood enclosure ideal for cluster applications Multiple threaded inserts for flexible and secure installation Powder coated steel grille wrapped with acoustically transparent fabric and foam matching black cabinet color 3-Year Warranty Program* Designed and engineered in Germany