Featuring Audio-Technica’s UniLine line cardioid element, the U853RU UniLine condenser hanging microphone is equipped with UniGuard innovations that offer unsurpassed immunity from radio frequency interference. The phantom-powered microphone accepts interchangeable elements, available in cardioid, hypercardioid, omnidirectional and UniLine line-cardioid polar patterns. Its 80 Hz low-cut UniSteep filter reduces pickup of low-frequency ambient noise.