MAX4466 Electret Microphone Preamplifier Board SSM2167 Voice Compression DC3V-5V
2. Using max4466 microphone amplifier + ssm2167 voice compression amplifier design
3. Adjustable magnification
4. Small size and beautiful appearance
5. Suitable for hearing aids, conference speech, intercom calls, etc.
Working voltage: DC3V-5V
Note: This is only a small signal amplification, can not directly drive the speaker, you need to add a power amplifier.
1: Compressing the dynamic range of the microphone signal reduces the level of peak signals and increases gain for low-level signals.
2: Reduce the noise floor of the microphone signal and effectively improve the clarity of the output signal
1X MAX4466 Electret Microphone Amplifier Board
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