Special circuitry for an improved signal-to-noise ratio5-step LED array for easy signal monitoring12V DC input for externally powering the mixerSwitchable input limiter to reduce the possibility of overload distortionChannel-addressable 1/4" monitor headphone jack with its own level control3 3/4" W x 5" H x 1 5/8" DUses 6 AA batteriesIncludes 3 balanced XLR mic inputs 2 channel-addressable balanced XLR line-level outputs with level controls a stereo mini-jack (3.5mm) output and a power on/off/low battery LED indicator