Description The SENNHEISER SKM9000 Professional channels wireless microphone with two mics 300meters range in each channel, for easy use with multiple systems It comes with a receiver and two Wirelewss microphones the receiver has 4 antennas for strong steady signal, LCD display showing RF level, AF level, channel frequency and mute status. Automatic transmitter setup The channel of The transmitter and receiver can easily synchronize. The two handheld microphones has backlit LCD screen showing batter life and signal The mics use two AA batteries each. The two Microphones can be used at the same time. Two XLR individual outputs and one 1/4* mixed output individual volume control on each channel. Designed for big events, big church, Hall, Field, etc.Battery life :12 hours (AA batteries ) Wireles Range 300 mete