Very sensitive module with 2 outputs.
AO - analog input, real-time output voltage signal of the microphone.
DO - digital output depends on the volume and the set limit.
Specifications
• voltage: 3.3 to 5 VDC
• outputs: 1x analog + 1x digital
• mounting: 1 mounting hole (3 mm)
• 2 LEDs: 1x power supply LED + 1x comparator output LED
• frequency range: 50 Hz ... 20 KHz
• Impedance: 2.2 KOhm
• Sensitivity: 48 - 66 dB
• Operating temperature: -40 ... +85 °C
• Dimensions (L x W x H): 44 x 15 x 10 mm