The JBL CBT100LA-LS Line Array Column Loudspeaker with with Sixteen 50 mm (2 in) Drivers with Constant Beamwidth Technology, represents a breakthrough in pattern control consistency, utilizing complex analog delay beam-forming and amplitude tapering to accomplish superior, consistent vertical coverage without the narrow vertical beaming and out-of-coverage lobing that are typical of straight form-factor column speakers. This loudspeaker is EN 54-24 Compliant for life safety applications.