All-in-one mixer, PA system, and stage monitoring system Bose Spatial Dispersion loudspeaker technology delivers sound evenly across the stage and throughout the audience 2 ToneMatch channels with fixed presets for a handheld microphone and an acoustic guitar Integrated bass speaker in power stand 2 setup positions: collapsed for smaller spaces or extended for larger ones Ideal for musical performances, mobile DJs, classrooms, business presentations, and other events Bose L1 Compact PA Speaker System includes L1 Compact loudspeaker array, compact power stand, and carrying bag