MICROPHONE (BOOM)  Microphone Pickup pattern: Cardioid (Unidirectional)  Type: Pressure Gradient Electret Condenser  Frequency response: 50Hz-20KHz  Sensitivity:-40dBV/Pa  re: 0dB=1 Pa, 1KHz  Test conditions: 3.0V, 1KHz  TECHNICAL SPECIFICATIONS  Connection Type: Analog 4 poles 3.5mm plug  Indicator Lights (LED): No  LCD Display: No  Headphone Type: Analog Stereo Headphones  Corded or Wireless: Corded  Driver size: 40 mm  Headphone Sensivity: Analog 4 poles 3.5mm plug  Headphone Frequency Response:20hz-20khz  Input Impedance: 32 ohms  Sound Pressure Level (SPL Max): 90dB SPL/mw  Microphone Type: Cardioid (Unidirectional)  Microphone Frequency Response: 50hz-20khz  Audio Controls: Volume control, Microphone mute  Noise Canceling: No