Machinery & Equipment
A public address system (PA system) is an electronic system comprising microphones, amplifiers, loudspeakers, and related equipment. It increases the apparent volume (loudness) of a human voice, musical instrument, or other acoustic sound source or recorded sound or music. PA systems are used in any public venue that requires an announcer, performer, etc. be sufficiently audible at a distance or over a large area.
- Types
- Fixed Systems · Portable Systems
- Applications
- Outdoor · Indoor
5 editions28 December 2025
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