SSM2167 Microphone Preamp Board Preamp COMP Compression Module DC 3V~5V
4,32 €
This preamplifier includes a built-in compression and noise gate. For this function, it is better than using an op amp in the preamplifier circuit. The noise gate attenuates the signal level below a certain threshold,in order to amplify only the desired signal, such as speech, and reduce the noise in the output signal.
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