A wireless microphone, or cordless microphone, is a microphone without a cable connecting it directly to the audio mixer or preamp equipment with which it is associated.it has a small, battery-powered transmitter in the microphone body, which transmits the audio signal from the microphone by radio waves to a nearby receiver unit, which receives the audio signal. The receiver which is connected to the mixer or preamp sends the signal for amplification or for recording…
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