The CP-28 Ultra Chorus from Caline can provide a range of lush chorus tones. Using the Rate and Depth you can dial in a range of really usable tones. The Rate controls the speed of the effect and the Depth dictates how much chorus there is. The difference between the Ultra Chorus and the Super Chorus is that the Ultra seems to be more clearer and analog sounding. Specifications Chorus pedal. Rate and Depth controls. Durable metal enclosure. Takes batteries or a 9v supply. True bypass. Note: Power supply not included. Please use the 9V power adapter whose polarity is negative center otherwise, the product may not work properly. Package List: 1 * Effect Pedal 1 * User Manual(English Chinese) 1 * Year warranty through our store No Duty to Canada and USA FAST 'N FREE USA Shipping (typically about 4 days) Ships from Canada