1.adopt the newest developed technology of voice expansion, greatly improve the authenticity of  human voice reproducing (can be high/medium/low brightness adjustable without howling easily.)

2.built-in function of DSP 32 bir Reverb, surpass the traditional echo ECHO singing mode, and promote the speed of transmission and articulation of human voice and increase the  flexibility of sound field on space relatively

3.four singing modes（Echo、Echo+Reverb、Delay+Reverb、Reverb）adjustments to choose.

4.built-in Mic howling restrain (also called MFBC）can solve the howling , the adjustment is simple and convenient

5.the dynamic range of this equipment’s micro-phone is above 24 dB, and has the simple cooperation of Echo/Delay/Repeat and treble/bass adjustment

6.can externally connect the two groups of MUSIC input, one group of MASTER       output, REAT output, CENER output and SUB output and two groups of Mic dual-use input.

7.There is a built-in equalizer which has ten sections so as to adjust the frequency response of Mic and Music meticulously. This will make it more adaptable to different systems and environments.