What type of external microphone can I use with my product?
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You may connect a commercially available microphone that meets the following specifications:
- Type: ECM (Electret Condenser Microphone)
- Connector: 3.5 mini plug (unbalanced)
- Input Impedance: 100k ohms
- Allowable input voltage: 30 mV
Published: Nov 25, 2013
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