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Whether you're catering to a crowd or focusing on a few folks, the Bose(R) L1(R) compact system line array system delivers wide, even sound coverage throughout the room. Small, lightweight, and easy to set up, it combines conventional PA and monitors into one sleek unit, making it ideal for DJs, musical performances, speaking engagements, and more. The L1 can be extended or collapsed, depending on the range of sound coverage you need. From Bose.