Specifications: 1)8 channel microphone input 2)Built-lexical 24bit effects 3)Precision gb30 mic preamp 4)+48V phantom power for condenser microphones provide real professional 5)Two group buses 6)Stereo mix output 7)All AUX send can be switched to pre-fader or post-fader 2 8)FX send 1 9)Built-in universal power supply 10)Optional rack mount kit