This is a type of condenser microphone transducer which means its works on electrostatic principles.
Description:
Electret condenser microphone, back electret type, small in size, in general use. An acoustic-to-electric transducer or a sensor that converts sound into an electrical signal. Widely applied to telephone, mobile phone, MP3, MP4, laptop, digital camera, intercom, monitor, etc.
Specifications:
- Environment: -25 ~ + 70 ℃
- Operating voltage range: 1 ~ 10VDC
- Impedance: max 2.2 KΩ
- Current consumption: 0.5mA (max)
- Sensitivity: -38 ± 3dB
- Directivity: omnidirectional
- Signal to noise ratio: 40dB (Min)