G-787H 4×800 Channel UHF Microphone System. Gtd-Audio’s G-787H wireless microphone system delivers superior sound quality and professional features. It is designed for a wide range professional application with 4×800 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. Backlit LCD display showing RF level, AF level, Channel Frequency and mute status. 00 Selectable frequencies on each channel, multiple units can be used simultaneously. D iversity operation for increased range/reliability, reducing dropouts. Built-In Tone Lock Squelch circuit protection from RF interference. Automatic frequency scanning to find and set the best available channel. Automatic transmitter setup, the channel of the transmitter and receiver can easily synchronize. F our 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 550MHz – 590MHz. For the US customers (comply with FCC frequency rule). Battery Life: 12 Hours. 600 feet (200 meters). Rack mountable, Fits 19 rack. (1) Four channel UHF diversity receiver. (4) Hand held microphones. (1) 1/4 audio cable. (1) AC-CD 110V-240V universal adapter. The item “GTD Audio 4×800 Channal UHF Diversity Wireless Microphone Mic System 787H” is in sale since Thursday, July 26, 2012. This item is in the category “Musical Instruments & Gear\Pro Audio Equipment\Microphones & Wireless Systems”. The seller is “microphone-giant” and is located in Catonsville, Maryland. This item can be shipped worldwide.