Public Adress (PA)SYSTEM
A 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, for example for announcements of movements at large and noisy air and rail terminals. PA systems are often used in small venues such as school auditoriums, churches, and small bars. PA systems with many speakers are widely used tomake announcements in public, institutional and commercialbuildings and locations. Intercom systems, installed in manybuildings, have microphones in many rooms allowing the occupants to respond to announcements.
Public Adress (PA)SYSTEM
A 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, for example for announcements of movements at large and noisy air and rail terminals. PA systems are often used in small venues such as school auditoriums, churches, and small bars. PA systems with many speakers are widely used tomake announcements in public, institutional and commercialbuildings and locations. Intercom systems, installed in manybuildings, have microphones in many rooms allowing the occupants to respond to announcements.

