High quality uni-directional vocal headset which has a gooseneck-adjustable mic and adjustable rear head-band for a more comfortable fit. Comes with a wired mini-jack (3.5mm). This electret condenser microphone requires a bias voltage of 1-11VDC which All Azden bodypack transmitters provide.
Sensitivity = -48dB @ 1kHz (0dB-1V/Pa)
Impedance = 680 ohms @ 1kHz
Voltage required = 1-11VDC