What is a Public Address System?

What is a Public Address System? A public address system (PA system) is one that allows a single user or group of users to address a larger public number of people with the use of a microphone (or other audio source), a mixer, amplifier and loudspeakers typically in a venue or building.
The components of a public address system are different depending upon the size and type of venue or building and the number of people a system needs to address.
MONISMS are experts in this sometimes challenging area and design, supply and support public address systems(PA system).

Where are these systems used?
Public Address (PA system), Voice Alarm and Background Music Systems （BGM System）are used in hospitality, leisure, retail, visitor attractions, public buildings, travel and sporting venues.