1. High quality, low noise mic input 2. balance microphone input and 2 stereo input 3. low-noise preamplifier with strong anti-jamming power 4. Provide high quality +48V phantom power for microphone input 5. Equipped with Signal insertion point, convenient to connect with external signal processor 6. 3 bands EQ with swept MF which can be adjusted from 140Hz to 3 KHz, England style 7. 2 groups of AUX output, optional for pre fader(return)or post fader(connect external processor) 8. with 16 kinds of delay DSP effect processor 9. unique double-ended SMT circuit designing, guarantees high and stable performance 10. 100MM high level analysis fader