The convenient test distance between your mouth and the microphone is about 5 to 10 cm. If the microphone is too close to your mouth, the sound is not clear with bass unheeded also your breathing will cause an unpleasant sound.
- Microphone sensitivity: -72 dB
- Frequency range: 100 to 10,000 Hz
- Resistance: 600 ohms
- Operating voltage: 1.5V
- Echo time: 0-18 ns