1.Two groups mixing console; 2.12,20 mono channels and 2 stereo channels input; 3.High quality,low noise balanced mic input; 4.Insert jack equipped for mono channel and master output,so to connect external signal processor more easily; 5.Provide high quality +48V phantom power for each channel's mic; 6.3 band EQ,HM and LM swept,with England style; 7.3 AUX outputs,can connect external processor; 8. High accurate three color level column,to display output level exactly; 9.60mm high precision handspike POT attenuator; 10.Adopt SMT technology for double face of the circuit pcb,enable more reliable performance; 11. Built-in squelch switch power source supply,more flexible and convenience