The U853PMW cardioid condenser hanging microphone comes equipped with a wall/ceiling plate power module for permanent installation in a standard, single-gang electrical box. The phantom-powered microphone features UniGuard innovations that offer unsurpassed immunity from radio frequency interference. It accepts interchangeable elements, available in cardioid, hypercardioid, omnidirectional and UniLine line cardioid polar patterns. Its 80Hz low-cut UniSteep filter reduces pickup of low-frequency ambient noise.