The System Sensor PA400WAK Public Address Mini Alert Sounder delivers reliable audible emergency signaling for fire alarm and public address systems. This wall-mount, electronic alert sounder from the PA400 series is designed for indoor commercial and industrial facilities and is commonly used in schools, offices, and other life-safety environments for evacuation and public-address signaling. Operating at 24 VDC with a high-impact thermoplastic housing, it serves as an audible notification appliance compatible with fire alarm panels and emergency communication systems.
