The Countryman W5 ISOMAX cardioid headset microphone remains the favorite of countless high-profile performing artists. Its sleek, comfortable and stays snugly in place, even during dance-oriented performances. It zeroes in on its source, capturing warmth in a wide frequency range. It rejects unwanted sounds and monitor feedback even better than most handhelds. And it tolerates sweat, weather, and makeup better than any other headset. Its affordable and durable, providing a long life of excellent sound. Extremely popular among high-profile rock performers onstage and in the studio. Excellent choice for trade show presenters, auctioneers, lecturers, clergy, etc. Very high-quality audio. High rejection of feedback and unwanted sounds. Wide 20Hz to 20kHz frequency response shaped like the worlds most popular vocal microphone. Truly dynamic warmth with condenser clarity. Reduces feedback - nearly perfect cardioid and hypercardioid patterns handle hot monitors better than most handhelds. Flexible, telescoping band fits snugly and comfortably around the back of the head. Easily concealed under the hair Telescoping boom can be bent to provide a custom fit. Fits Audio Technica transmitter models T27, T31, T51, T200, T201, T210, T300, T310, 1100 Series, 1400 Series, 2000 Series, 3000 Series and Hirose 4-pin connector. Available in black color.