The Audio-Technica ATW-R1820 is a dual channel diversity receiver for the 1800 series wireless microphone system. The receiver is designed with 2 internal, True Diversity UHF receivers with an internal Antenna/Splitter amplifier. Dual balanced outputs enable incoming signal to be mixed, or independently assigned to each output. Independent audio level controls provide flexible audio mixing and monitoring possibilities. The compact ATW-R1820 is powered with 6 AA batteries, one of the internal receivers may be turned off to preserve battery life.