JBL CBT 100LA-1 Constant Beamwidth Technology Line Array Column Loudspeaker (Black) (DEMO)The CBT 100LA 1, 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. Features Patent pending Constant Beamwidth Technology provides constant directivity up to the highest