4-channel multifrequency receiver unit and 4 hand-held microphones with UHF PLL technology. 93 preset channels in 10 channel groups. Easy and error-free synchronization between receiver and transmitters via infrared signal. LCDs for group, frequency and channel. LEDs for carrier and audio signal, 4 separate channels with volume controls, balanced XLR output per channel, unbalanced 6.3 mm jack for mixed signal output, jack cable included, removable antennas (BNC connection). Incl. mounting brackets for 483 mm rack installation. 4 dynamic microphones with cardioid polar pattern and LCD for battery capacity and frequency. Matching pocket transmitter can be ordered separately. License-free and approved in large parts of the EU (please check on a country-by-country basis). Use a operating range up to 60m.