Squelch circuit usually analysis the intensity of the RF frequency channel instead of the noise and the needed signal. Using the low traditional wireless microphone in the complex environment or when the signal of the microphone is week or the microphone is closured, the squelch circuit many suddenly opened which result the receiver send out a strong burst of noise.
It ideal for church, small DJ KJ stage, birthday wedding or family party, conference, classrooms, small karaoke night etc.
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