The Shure Beta 54TM is a subminiature, electret condenser head worn microphone. It provides uncompromised sound quality and reliability with minimal visibility in applications such as broadcast, theater, and touring. Despite their small size, the condenser element delivers full, clear, and natural reproduction of speech and vocals. The microphone features a durable, low-profile wire frame headband which is fully adjustable for stability and comfort. A plastic carrying case protects the microphone and its accessories. Features: * Supercardioid polar pattern provides maximum gain-before-feedback and ambient rejection * Extended frequency response tailored for vocal performances * Able to handle extremely high sound pressure levels (SPL) * Snap-fit foam windscreens stay in place during intensive movement * Available with an in-line preamp or with a TA4F connector for wireless applications Specifications: Type: Condenser (electret bias) Frequency Response: 50Hz-20kHz Polar Pattern: Supercardioid Maximum Sound Pressure Level: 149 dB Power Requirements: Phantom power; 11-52V Net Weight: 135.35 g (4.75 oz.) microphone and in-line preamp Cable: 1.5 m (5 ft.), small-diameter, shielded, with mini 4-pin connector (TA4F)