Public Address System (PA system) is an electronic sound amplification and distribution system with a microphone, amplifier and loudspeakers, used to allow a person to address a large public.

Normally, PA System are used in some public areas, such as community areas, government departments, enterprises, schools, commercial buildings, supermarkets and so on, for releasing news, messages, back ground music (BGM) and emergency announcements etc.

Main parts of PA system

1. Microphones
2. Power amplifiers
3. Mixer
4. Speakers
5. An arrangement of cables to interconnect the equipment

INDUSTRIAL COMMUNICATION – PA SYSTEMS

1. Fire Telephone Systems
2. PA Talk Back Systems
3. PA Zone Selector Systems
4. Telephone To PA System Coupler Units
5. Flameproof Horn Speakers
6. Wireless public address system
7. Wall Mounting PA Stations

Website to buy Systems

1. http://asquaretechnosolutions.in/products/industrial-public-address-system/
2.  http://www.gromaxtechnologies.com/bosch-industrial-pa-system.html
3. http://ahujapaworld.com/index.php?route=information/information&information_id=4