1- Simple public address systems are commonly used in:

• small rooms such as school rooms.
• churches and small bars.

2- Acoustic reinforcement systems with many speakers are widely used for:

• presentations in public institutional and commercial buildings and places such as schools, stadiums, cruise ships and airplanes.
• Intercom systems installed in many buildings have speakers throughout the building and many rooms have microphones.
• Typical applications include sports fields, public transport and facilities, live or recorded music venues and events.

so residents can respond to notifications. Public address and intercom systems are commonly used in emergency communications systems.

Public address system components:

Speakers

Amplifiers

Audio Mixer

Speaker Processor

Microphones

Effects

DI Box

Cables and Accessories