Beyerdynamic DT 290 MK II - Double Sided Intercom Headset (Requires Cable)Light headset with dynamic microphone for on air commentary, sportscasters, intercom and talkback systems. Pair with the appropriate cable for your broadcast or intercom application (cable sold separately). 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