(1). With 15 kinds of DSP effects variety be changed, and it can be adjusted automatically according to the clients demand.
(2) 8 channel balanced and unbalanced input with amplifier, each input channel can be solely adjusted the treble, mediant, bass, reverb and earphone monitor. 
(3) With multi-group output jack, balanced and unbalanced input jack, and the musical signal input jack.
(4) 7 band frequency equalizer and dual 5 band frequency display.
(5) With phantom power, it is for the microphone that is working in the meeting room.
(6) Earphone monitor, AUX monitor, and with the effect processor. 2 channel organizing into groups magnifying signal output, balanced and unbalanced output jack outside, over currency circuit protect, big capacity smoothing electrolyte.
(7) Powerful transformer for power supply and thermostatic fan.
(8)Portable frame is suitable for using in the open air.