· Developed based on Linux operating system, without fear of virus, running more safely and stably with 4-core CPU processor, 1G main frequency and 17 seconds fast Quickly start up, faster running speed, Chinese and English interface, free switching, easier to use · Local 16 MIC/ LINE input,2 sets of Lotus jack stereo input,1 set of digital input: optical fiber/sound card, MP3 (M20) 10 channel signal output (main output L,R,8 channel AUX1-8 output) (M20) A total of 32 MIC/LINE inputs and 18 mixer signal outputs · Channel color liquid crystal display is more intuitive and convenient. · Channel with TFT LCD display, channel name can be customized edit. · MIC input gain adjustment (digital gain) · MIC input channel and even stereo modulation · +48V phantom power supply (MIC channels can be opened and closed independently) · Built-in voltage limiter, noise gate, high-low pass filter, 5-segment parameter equalization, delay. · Quick copy of channel parameters · Input/output EQ ON/OFF · Multi-function knob · Each channel is equipped with multi-function menu, mute voice and monitoring · All channels are equipped with 100MM electric push rods, signals and peak lights [(M20-16)] · AUX output (Push front/rear) · Output processing: high-low pass filtering, 15-segment parameter equalization, compressor, delay, phase · 8 DCA marshals 8 mute marshals · Digital recording function · Double row 3-color 12-level indicator light · Built-in sound card (MP3, PC play music directly) · 4 quick scene invocation modes, 100 scene storage, scene name can be customized, scene seamless switching, without breaking tone · Storage and fetching of user parameters (which can be managed on PC) · Built-in local two independent DSP effector, · FX foot switch interface · Fiber optic input/output · Multi-operating system control software (iOS system, Android system, Windows system) · 7-inch 1024*600 capacitive touch screen · User can customize layer, output mixed editing function, channel name can be customized editing.