Control over pan angle, also known as azimuth angle, is critical for modern professional loudspeaker systems with tightly defined dispersion patterns. Our products for pan control include a wide range of devices such as the Zbeam® family for single speaker rigging or audio rigging, the Motor Zbeam® for serviceable line array rigging and clusters, and yokes (also known as U brackets). When working with clusters, Polar Focus will always provide pan control unless directed otherwise. A center line array cluster is such an example. However, many contractor customers still prefer to have pan control for those situations. It allows the cluster to be serviced on all sides while not requiring the personnel lift to be moved around the cluster.