SPEAKER SYSTEMS EMERGENCY ANNOUNCEMENT SYSTEMS
Speaker systems are the systems used for music broadcast in the buildings, and emergency announcement systems are the systems used for evacuation of the people in case of emergency. The system generally broadcasts music, but in the case of announcement, the music is interrupted and announcement system is activated. It can be operated in integration with the fire detection and alarm system, therefore, in case of fire; the fire alarm can trigger and activate the announcement system for evacuation.