Typical applications include sports stadiums, public transportation vehicles and facilities, and live or recorded music venues and events. be sufficiently audible at a distance or over a large area. PA systems are used in any public venue that requires that an announcer, performer, etc. It increases the apparent volume (loudness) of a human voice, musical instrument, or other acoustic sound source or recorded sound or music. on the rear) and also the power amplifiers with loudspeaker cables, not in the picture are only the loudspeaker systems distributed around the stage.Ī public address system (or PA system) is an electronic system comprising microphones, amplifiers, loudspeakers, and related equipment. The setup includes the mixing console for the sound engineer (operating interface with slide controls etc. Rear panel of a medium sized PA system, positioned at one side of the stage at a concert of the musical group Dead Can Dance in 2022, the size being about 3 m from left to right. Horn loudspeakers are often used to broadcast sound in outdoor locations. For the musical group, see Public Announcement.
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