Fire alarm voice evacuation notifications use speakers and amplifiers to provide more information to occupants of facilities during an emergency. A fire alarm tone is followed by voice instructions rather than a horn or bell. It also allows for emergency responders to broadcast live messages through a local paging microphone.
- Places of assembly, typically of 50 or more people
- High rise buildings where zoned evacuation may be needed
- Severe weather
- Gas leaks
- Chemical spills