PA Speaker – A public address Speaker is an electronic sound amplification and distribution system with a microphone, amplifier and loudspeakers, used to allow a person to speak to a large public.
Here are some example where this kind of speakers can used
- announcements of movements at large and noisy air
- rail terminals
- at a sports stadium
- audio content,
- recorded music
- live sound of a band
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There are two types of PA Speaker available in the market.
1) Powered PA Speakers
2) Unpowered PA Speakers
Check out this link to find more about it and choose the best.