Feature●8 Channel wireless microphone system●8 x 100 channel adjustable frequency●8 antennas signal reliable reception●Backlit LCD display showing RF level, AF level, Channel Frequency and mute status.●100 Selectable frequencies on each channel, up to 20 units can be used simultaneously●Eight channel receiver, 8 microphones can be used at the same time●Automatic transmitter setup, the channel of the transmitter and receiver can easily synchronizeDescription UHF 8 Channel Pro Earset Microphone Headset Headworn Wireless System Condenser, 8 Beltpack Transmitters, Adjustable Frequency for Theatre Stage Performance