Public Address System(PA System)

Modern sound system technology has revolutionized the bore in our daily lives. From big political gatherings to home television, classrooms to theatre rooms, we get dramatic changes and new additions. Even years ago, people relied on the material stereo system to listen to any kind of audio file. Now the version of the audio file has been changed. A public address or “PA” system is an electronic amplification system with a mixer, amplifier and loudspeakers, used to reinforce a given sound, e.g., a person making a speech, pre-recorded music, or message, and distributing the sound throughout a venue. PA systems are often used in venues such as school churches in institutional and commercial buildings, to read announcements or declare states of emergency. Intercom systems, which are often used in schools, also have microphones in each room so that the occupants can reply to the central office.

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