The device is a general low-cost electret microphone. See the table below for technical parameters.
It is highly recommended to keep the microphone at least 10cm away from the sound source to avoid peak clipping or distortion of the signal.
| Parameters | Value |
|---|---|
| Manufacturer part number | BL-MP6022P-2C-44DB |
| Standard operation voltage (DC) | 2V |
| Active current | <0.5mA |
| Sensitivity (1kHz, 0dB=1V/Pa) | -44dB ±3dB |
| S/N ratio | 58dB |
| Impedance | < 2.2kΩ |
| Frequency (Hz) | 20-16,000 |
| Directivity | Omnidirectional |