Specifications: Microphone / Omnidirectional / Frequency Response / 1000 Hz / Environmental Noise / ≦60db Impedance / 150 OHM / Microphone Sensitivity / 47 ± 3 dB / Cable Length / 6.6 ft (2.0 m) / Remote Control / Sound Volume +/- / Microphone / On/Off *Depending on your monitor settings. Product specifications may change depending on the time of shipment.