Beyerdynamic DT 280 MK II Single Sided Intercom Headset - 200 Ohm Microphone and 80 Ohm HeadphoneLight single ear headset for on air commentary, sportscasters, intercom and talkback systems. The headsets in this series dispose of a dynamic headphone transducer with a frequency response of 10 30,000 Hz and excellent isolation from ambient noise. The single cable is detachable, the ear cushions are replaceable. The pivoting gooseneck microphone boom design, can be swivelled to work on the left or right side of the headset, or set to the upper