ART EQ-355 features: Dual Channel 31-Band Graphic Equalizer Constant-Q Filtering Balanced XLR, Active Balanced 1/4", and Unbalanced RCA Input and Output Connectors Variable High-Pass and Low-Pass Filters +/- 6dB or +/-12dB Level Adjustments 20mm Center Detented Frequency Band Sliders Independent Level and Bypass Controls Per Channel Includes RCA Outputs Designed for Years of Continuous, Reliable Performance Rugged All Steel Construction