This module uses a professional microphone amplification IC with low output noise. The gain is about 20dB and supports two supply voltages: 3.3V and 5V, the maximum induction distance is 0.5MAO. Real-time microphone output voltage signal. The standard output is an analog signal. Specifications: Supply voltage: 3.3V / 5V, Gain: 20 dB Output: Analog signal (standard) Size: 48x15 mm
Packaging contents: 1 x 4duino Sound Sensor