Sennheiser ME 3-EW headset EW microphone The ME 3-EW Headset Mic is another hands-free option for owners of Sennheiser's evolution wireless systems This condenser mic has a cardioid capsule and offers equal clarity whether you're giving a speech or singing a song The Sennheiser ME 3-EW is a comfortable headset microphone with a intelligently developed cardioid capsule The ME 3-EW microphone delivers forceful, powerful sound The ME-3-EW headset mic is compatible with all bodypack transmitters in Sennheiser's evolution series wireless systems