The LEF-304 Chorus is a versatile modulation effect that can produce everything from a subtle shimmer, to dreamy 80s alt rock cleans, to a Leslie speaker warble Three basic knobs, essential for all traditional chorus pedals including this mini one. Pure clear and transparent texture sounds fresh and natural. Simple and stable structure easy and perfect operation. Best interpretation of blues rock pop styles of music. It is defined as a classic analog style chorus pedal. Specifications: Input Impedance:470k Ohms Output Impedance: 470k Ohms Power Supply: DC 9V ( negative in the centre) (not included) Working Current:10MA Dimensions:95(D)*45(W)*48(H)mm Weight:240g(With Box) Note: 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