Features: 1. 12,16 input channel, 6,10 mic inputs and 2 stereo line inputs; 2. 1-6,1-8 CH are with swept 3-band MF EQ, stereo channels with 3-band EQ 3. 6 group bus(stereo+4 group), three AUX sending and one stereo return 4. 1 AUX send/STEREO return 5. 2-BAND EQ(swept MF) and high pass filter; 6. High precision 3 -color electric level pole precisely display output level. 7. Built-in digital effects; with durable and light-weighted design, can be fitted with rack mounting; 8. 60MM high level analysis fader. 9. External squelch power supply, convenient and flexible operation