4-Pack MAX4466 Electret Microphone Amplifier Modules – Adjustable Gain for Arduino/Embedded Audio Systems
Special Features
- Integrated 20Hz–20kHz Electret Microphone – Full-spectrum audio capture with ±2dB sensitivity for voice and acoustic signal processing.
- MAX4466 Low-Noise Op-Amp – Optimized for microphone preamplification with 0.8μV/√Hz input noise and 80dB PSRR for clean signal conditioning.
- 3.3V Recommended Supply – Minimizes power rail interference in Arduino/RPi systems; compatible with 2.4–5.5V DC inputs.
- High-Fidelity Output – Rail-to-rail swing with VCC/2 DC bias, supporting direct ADC interfacing (0–5V range) or AC-coupled amplifiers.
- FFT-Ready Design – Ideal for real-time audio analysis, voice modulation, or interactive installations requiring spectral processing (e.g., VU meters, pitch detection).
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