1. 8 channels with mono input, 3 eq+mf. 2. High-performance microphone pre-amplifier with phantom power (+48v). 3. 6 bus (stereo + group 4), 3 aux send, 1 stereo return. 4. 9-band stereo graphic eq, built-in dsp with level display light. 5. 60mm high-precision slide-fader. 6. Built-in mute switching mode power supply. 7. High-performance three colors output level meter. 8.24-400hz adjustable dual channels sub output. 9. With mp3, comes with bluetooth receiver, support simplified and traditional chinese and english display, Sd card, usb input players. 10. Exquisite color crystal buttons channel switch. 11. Smt automated technique for strict control the consistency of the products. Technical specifications: Frequency response:20hz-20khz, ±0.5db Thd+n:-30db input to mix, mic gain 30db, 96db Aux send port:>86db Output level meter:L/r mix output level is 12 segment of led indicator Power:Ac input:100-240v 50/60hz Power consumption: