Would you like to tighten up your sound to better suit its environment? The new 351 is a single-channel, 31-band graphic equalizer that integrates perfectly into any audio system. It's the perfect choice for live sound, instrument racks, DJ sound systems and fixed equipment installations. See the 355 for the dual-channel version. 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 Designed for Years of Continuous, Reliable Performance Rugged All Steel Construction One Year