8mic input   8line input & 4stereo input   each input channel with 4band EQ   4stereo output, 4 aux return , 2aux send   2 group record output/ input   1monitoroutput, 2ctroutput, 2....

   16mic input   16line input & 4 stereo input   each input channel with 4band EQ   4stereo output , 4 aux return , 2aux send   2 group record output/ input   1monitor output, 2 CTR....

   12mic input   12line input & 4 stereo input   each input channel with 4band EQ   4stereo output, 4 aux return, 2aux send   2 group record output/ input   1monitor output, 2 CTR....

   8mic input   8line input & 4 stereo input   each input channel with 4band EQ   4stereo output, 4 aux return, 2aux send   2 group record output/ input   1monitor output, 2 CTR....

   4mic input   4line input & 4 stereo input   each input channel with 4band EQ   4stereo output, 4 aux return, 2aux send   2 group record output/ input   1monitor output, 2 CTR output....