Digital equalizer 1.Dual 31-Band 2.RFI filtering 3.XLR ,1/4" ... 4.Total level:+-12dB/+-6dB Professional graphic digital equalizer1.Dual 31-Band 2.RFI filtering 3.XLR ,1/4"phone ... 4.Total level:Total level ±12dB / ±6dB 1.Single 31-band equalizer2.20mm oiled sliders with switchable range accurate constant ... /4" phone, and euroblock connectors10. 2×31 band EQ11.Center frequency 20,25,31.5,40,50,63,80,100,125 ...