4 Channels Single Ear Headset Wireless Microphone System Professional UHF. Comply with US FCC Rules. Features Backlit LCD display showing RF level, AF level, Channel Frequency and mute status. 200 Selectable frequencies on each channel, multiple units can be used simultaneously Diversity operation for increased range/reliability, reducing dropouts. Built-In Tone Lock Squelch circuit protection from RF interference Automatic transmitter setup, the channel of the transmitter and receiver can easily synchronize Four channel receiver, Four microphones can be used at the same time Four XLR individual outputs and one 1/4" Mixed output Individual volume control on each channel Frequency: UHF 610MHz - 670MHz Frequency Response: 35Hz18KHz Battery Life: 12 Hours (AA batteries) Range: Up to 300 feet Rack mountable, Fits 19" rack Package includes: (1) Four channel UHF diversity receiver (4) Single earhook headset microphones with bodypack transmitters (1) 1/4 audio cable (1) AC-CD 110V-240V universal adapter (1) User's manual.The item "4 Channels Single Ear Headset Wireless Microphone System Professional UHF" is in sale since Thursday, November 16, 2017. This item is in the category "Musical Instruments & Gear\Pro Audio Equipment\Microphones & Wireless Systems". The seller is "promic2012" and is located in GD. This item can be shipped worldwide.