JBL CBT-1000 Two-Way Line Array Column Loudspeaker (Black)The black CBT1000 Two Way Line Array Column Loudspeaker from JBL combines Constant Beamwidth Technology with adjustable vertical coverage and a tapered horizontal waveguide to increase the versatility of aiming the coverage of the loudspeaker to more accurately map to the room geometry in a wide variety of listening spaces. Utilizing complex analog beamforming, the speaker provides consistent vertical coverage without the narrow vertical beaming and