Adaptive Technologies Group SB-30 Speaker and Line Array Rigging Swivel Beam - 30"The SwivelBeam is an easy to use load rated and off the shelf loudspeaker rigging and aiming system from single loudspeakers to full line arrays. It is ideal for aiming sound in left and right of house configurations and provides side and backfills where speakers cannot be wall mounted. The upper cross arm of the SwivelBeam rigs from two overhead suspension points. The lower cross arm supports the loudspeaker and rotates relative to the upper section,