EM6027U-C Unidirectional Electret Condenser Microphone Sensitivity Directivity Impedance Current Consumption Standard Operation Voltage Sensitivity Reduction S/N Ratio Sensitivity Range 0dB = 1V/Pa. 1KHz Unidirectional Low Impedance Max. 0.5mA 2.0V Within -3dB at 1.5V More than 55dB -51 ± 4dB, -54 ± 4dB Typical Frequency Response Curve: Angular Response: Schematic Diagram: Unit: mm