Professional UHF Diversity wireless microphone system (4 headset microphones). Comply with Australian FCC rule. 4 Black headset microphone & Metal receiver. This wireless microphone system delivers superior sound quality and professional features. It is designed for a wide range professional application with 4x200 selectable frequency channels, automatic frequency scanning, true diversity operation, Tone Lock squelch circuit, automatic transmitter setup.It's the perfect for professional use at any events. 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) headset microphones with bodypack transmitters (1) 1/4 audio cable (1) AC-CD 110V-240V universal adapter (1) User's manual. The item "4-Channel Professional UHF Headset Wireless Microphone System Free Shipping" is in sale since Monday, January 11, 2016. This item is in the category "Musical Instruments\Pro Audio\Microphones & Wireless Systems". The seller is "promic2012" and is located in HK. This item can be shipped worldwide.