QSC's powerhouse 3-way 1,000 Watt Powered Main Speaker. This speaker provides stunning clarity that can only be achieved with a 3-way speaker. The KW153 delivers this magnificent sound through a 15in woofer, a 6.5in mid-range speaker and 1.75in horn for easily one of the finest powered speakers available today. Add a KW181 subwoofer and this set up is ready to rock the block.