UHF band receiver system; Quad-frequency channel design (1, 2, 3, 4); Broad frequency response range & low distortion; High signal-to-noise ratio performance; RF signal & AF signal LED indicators; Radio frequency & audio frequency; LCD digital display with channel & frequency readout; Independent channel adjustable volume controls; Detachable dual antennas; Rack-mountable system; 4 XLR outputs; Includes 4 handheld microphones & 8 AA batteries;