Bosch SPB-320 F.01U.008.763

320WATT Audio Power Booster. The Cooper Wheelock SAFEPATH4 SPB Audio Power Boosters provide additional supervised audio power for live voice, recorded messages. Connects easily to the SP40/2 or SP40S Facilities Communication System Interconnect multiple power boosters (up to 5280 W) to accommodate large installations Home Control Wi-Fi Alarm I/O 2/2