Head worn back electret condenser omnidirectional boom Microphone terminating in a Tini Q 4 Pin connector, finished in matt black. It is Designed for use in theatres, presentations, broadcast studios productions, fitness instructors, places of worship and other applications requiring low profile head worn professional microphone. Head worn boom microphone. Back electret condenser microphone with omnidirectional polar pattern. Extremely lightweight and low profile. Resilient plastic construction design allows the microphone to be held even under high activity lightly to the head over long periods of time without fatigue tiredness. Boom arm is flexible allowing the head of the microphone to be positioned accurately. A Perspex drip barrier is incorporated to protect the microphone under extreme environments.