TOA Electronics PC-580RU 8" In-Ceiling Speaker, Single

Integrated with a speaker unit and panel, the PC-580RU andPC-580RVU Ceiling Mount Speakers are of all metallic construction and ideal for use in almost all commercial audiosystems especially in a Mass Notification System and VoiceAlarm System. It has a high sensitivity rating and a high intelligibility sound when compared to conventional speakers. The installations of PC-580RU and PC-580RVU into the ceiling with Back Can HY-BC580U and a Tile bridge or a Mounting rail are UL/ULC certified for fire alarm signaling and use in air handling spaces (plenum).