The new Engineered Sound®. Contractor-exclusive innovations for every acoustical challenge. And safe haven from RFI. The ES973 is a high-quality hypercardioid condenser designed for use as a handheld, stand or lectern vocal microphone. The microphone’s rugged housing contains all electronics; it is equipped with an 80 Hz low-cut UniSteep® filter and a switchable 10 dB pad. The microphone offers unsurpassed immunity from radio frequency interference thanks to Audio-Technica’s UniGuard® innovations. Optional interchangeable elements are available for coverage from 100° to 360°.