The Azden 1201XT Plug-in Transmitter is designed for use with the 1201 Series receivers. The 1201-series also offers 188 user selectable, DTV compliant frequencies. A 3-pin XLR connector accommodates your favorite microphone and provides +48V phantom power to condenser mics. There is a multi-function digital display, and its rugged construction ensures reliable use outdoors, on the road, etc. The transmitter is powered via 2-AA alkaline batteries for up to 8-hours.