JBL COL600 Slim Column Array Passive Loudspeaker (Black)Great for conference meeting rooms, lecture halls, retail stores, and other environments in need of a stylish, compact, and high performing column array, the black JBL COL600 is an elegant 24" column speaker that's designed to provide optimum coverage for any listening area. The speaker is designed to be installed flat to a wall and features a built in 10 down tilt, which aims the sound at the listener and away from the ceiling. The COL600 requires a