The PowerPro PA920 is Califone’s flagship PA system designed for audiences of 1,000 or more. The PA920 is flexible, easy to use and cost-effective for those who require a high-performance sound reinforcement solution but wish to avoid the effort necessary to operate a typical multi-component sound system. Designed for school venues ranging from auditoriums to assemblies, athletic events and other large groups, the PA920 provides wireless transmission to any number of its powered companion speakers, providing expandability to handle virtually any situation.