Electret Condenser Microphone with Lead 2 Wire Omnidirectional Audio Sensor Wired Capsule (Electret Microphone)
The electret condenser microphone with lead is a compact audio sensing device designed for direct connection in electronic circuits. It comes with pre attached wires for easy integration and provides stable sound detection for embedded and industrial applications.
Key Features -
- Electret condenser microphone with 2 wire lead
- Omnidirectional sound pickup pattern
- Compact size for PCB and module integration
- Built in FET preamplifier
- Low power operation suitable for microcontroller circuits
- Easy wiring without direct soldering on capsule
Specifications -
- Type - electret condenser microphone
- Output - analog audio signal
- Operating voltage - approx 2V to 10V
- Sensitivity - approx -40dB to -60dB typical
- Output impedance - approx 2.2 kilo ohm
- Frequency response - approx 20Hz to 16kHz
- Lead type - 2 wire cable
Applications -
- Sound detection and noise sensing modules
- Voice activated switching circuits
- Audio recording and input systems
- Security and monitoring devices
- Embedded electronics and IoT systems
Pinout Configuration -
- Positive - signal and bias wire
- Negative - ground wire
Working Principle -
The electret condenser microphone operates using a permanently charged electret material forming a capacitor with a diaphragm. Sound waves cause the diaphragm to vibrate changing capacitance and generating an electrical signal which is amplified by the internal FET and output through the attached leads.