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At big or massive gathering events communication should be proper otherwise the audience will not be able to understand what speaker or orator wants to convey. The public address systems are used as a medium to distribute sound throughout a decided space for example school or church. Discotheques, commercial buildings and concerts would require bigger and high output PA systems.
Amplifiers, speakers are that PA equipment which needs one another to function. For example, while an amplifier amplifies the sound and provides input to the speakers, the speaker generates output for the audience to listen. Any PA equipment installation would require at least the first two of these for a basic set up. There are varieties of a variety of amplifiers, speakers and microphones to begin with.
The amplifier is public address equipment that amplifies sound, that raises the frequency of the original sound produced. The preamplifier prepares the sound to the sound level from where it is sent to mono amplifiers for further amplification. These are used along with mono amplifiers at studios or concerts. They are highly useful in public events which are organized at massive levels.
A wireless microphone is a breakthrough technology that does not use a physical cable to connect it directly to the sound equipment or amplifying equipment. The microphone allows its users to instead benefit from the latest wireless technology. Use of this mic has been increasing steadily among media workers and those who are involved in the entertainment industry. This kind of microphone is a major component of almost every broadcast, motion picture, theatrical and sound stage production as well as corporate, religious and educational venues. They give more freedom of movement to the artist or speaker. The wireless principle in this mic helps in eliminating cabling problems which are common with wired microphones.
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