... 1.Dual 31-Band 2.RFI filtering 3.XLR ,1/4"phone,euroblcok connector 4.Total level:+-12dB/+-6dB Professional graphic digital equalizer1.Dual ... 31-Band 2.RFI filtering 3.XLR ,1/4"phone and ... 250,315,400,500,630,800,1K,1.25K,1.6K,2K, 2.5K,3.15K,4K ... ±6dB14. Connectors XLR balanced inputs, TRS 1/4" balanced inputs, TRS 1/4" balanced inputs, XLR balanced outputs15 ...