The U853AWU UniPoint UniLine condenser hanging microphone is equipped with Audio-Technica's UniLine line-cardioid element and features UniGuard innovations that offer unsurpassed immunity from radio frequency interference. This battery or phantom-powered microphone accepts interchangeable elements, available in cardioid, hypercardioid, omnidirectional and UniLine line cardioid polar patterns. The U853AWU microphone also offers an 80 Hz low-cut UniSteep filter that reduces pickup of low-frequency ambient noise.