The Audio-Technica AE5400 is a cardioid capacitor microphone that delivers pristine sound quality for the most discriminating user. Qualities include large-diaphragm element and true condenser design, superior anti-shock engineering, and excellent protection against plosives and sibilance without compromise of high-frequency clarity. Its robust design assures enduring dependability under road use. Includes an integral 80Hz HPF switch and 10dB pad. Requires phantom power.