Electro-Voice RE3-ACC-HW3 Headworn MicrophoneThe HW3 is a general purpose condenser supercardioid headworn vocal microphone which is ideal for presentations, vocal performances, and athletic instruction. Designed for comfort, robust durability and vocal clarity, it sustains rigorous use in a wide variety of applications while delivering crisp, clear, and balanced vocal sound. The sonic signature is crisp and natural, and the supercardioid polar pattern provides superb acoustic isolation and gain