DPA’s d:fine™ Headset Microphone is a tremendously useful mic for public speakers, webcasters, singers, actors and musicians alike. The d:fine range of directional and omni headsets caters for any imaginable situation, incorporating single and dual earhooks, cardioid and omnidirectional mic booms of varying lengths, as well as four different colours.
We understand that after some use, sometimes these headset microphones need some care & attention, and Sound Network have put together a visual diagram to make your life as easy as possible.
Full article here: http://www.soundnetwork.co.uk/dpa-dfine-headset-microphone-guide