... 31-Band 2.RFI filtering 3.XLR ,1/4"phone,euroblcok connector 4.Total level:+-12dB/+-6dB Professional graphic digital equalizer1. ... line voltage8. RFI filtering9. Active balanced input/output XLR, 1/4" phone, and euroblock connectors10. Equalizer controls 31 bands (1/ ... 12dB / ±6dB14.Connectors XLR balanced inputs (A,B), TRS 1/4" balanced inputs (A,B), TRS 1/4" balanced inputs (A,B), XLR balanced outputs ...