... stereo channels input.2,1-8 channels built-in 3-band mid sweep EQ,9/10-15/16 channels built-in ... 3-band EQ3,6 group generatrix(stereo +4 group),1 Aux send ... ,6 mic channels built-in compressor,all channels have high-pass filters.5,High-precision three-column color precision level, indicate accurate ...