Asymmetrical vertical coverage sends more sound toward far area of room to make front-to-back sound levels more consistent, (16) 25 mm (1") soft dome tweeters and (4) 125 mm (5") 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, Dynamic SonicGuard overload protection of HF devices, wall bracket included, 27.5"H x 6.75"W x 9.5"D, 21 lb., black.