3M™ PELTOR™ Dynamic watertight boom microphone, J22, MT73/1

NEW enhanced technology dynamic noise canceling microphones offer greater water resistance, improved performance in wind and improved speech intelligibility. Water resistant microphone (IP68) , (6 meters/30min). Dynamic microphone with better speech intelligibility in noisy environments. Backwards compatibility with 3M Peltor dynamic mics. For MT73 series Headsets.