Providing high-end performance at an affordable price, Pyle products offer hard-to-find features customers demand. These components will provide the professional and occasional enthusiast with an unbeatable combination of performance, flexibility and price.PRODUCT FEATURES:Standard ISO 19" Single Rack Space;Constant Q Circuitry;Selectable Range of +/-6 dB or +/-12dB;Variable Input Level;Clip LED Indicator;Ground Lift Switch;Automatic Bypass with Power Off;High Pass Filter;Low Pass Filter.