JBL CBT 70J-1-WH | Constant Beamwidth Technology Two Way Line Array Column with Asymmetrical Vertical Cove WHITE Asymmetrical vertical coverage sends more sound toward far area of room to make front-toback sound levels more consistent. Components: Sixteen 25 mm (1 in) soft dome tweeters and four 125 mm (5 in) high-power LF drivers, arranged coaxially. Patent-pending Constant Beamwidth Technology provides constant directivity up to the highest frequencies and reduces out-of-coverage lobing. Vertical pattern coverage switchable between 45 for medium-throw coverage and 25 for long-throw applications. Switchable voicing provides flat response in music mode or mid-range presence peak in speech mode.