NADY RMX-6 6 channel Rackmount Mono Microphone / Line mixer with phantom power and master tone controls -  XLR and &frac14;&rdquo; inputs and outputs Easily and conveniently mix up to 6 sources (microphones, instruments, music players) together down to one output with adjustable level and tone to connect to a multitude of devices Professional quality rackmount 6 channel microphone / line mono mixer fits in any standard equipment rack. +15V Phantom power on 3 channels for condenser microphones Master volume, bass, and treble controls let you customize the loudness and tone of your audio to perfectly match your application Back panel balanced XLR or unbalanced  output with selectable Hi/Lo level switch for sending signals out to speakers, recorders, etc. All-metal 1U enclosure for road readiness and maximum durability. Internal shielded power supply eliminates the need for an AC adapter and minimizes interference