The Caline CP-16 Mark 4 doesn't try to hide its inspiration, the Mesa Boggie Mark IV amp tone with two gain stages with separate gain controls to blend and stack. Gain 1 is harder, sharper attack, Gain 2 rounds out and fills out the sound. It's the classic California sound, tight with a hard edge. Marshall Plexi Distortion Level, Gain 1 , Gain 2 Controls Super Solid Metal Casing Uses 9V Battery or Standard Boss Style Adapter (not included) Note: Power supply not included. Please use the 9V DC 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 *Just to be clear on DUTY, (regardless of what warns buyers of ) Canada and the USA have a trade agreement in place that allows US citizens to purchase/import up to $800 dollars per purchase in to the United States from Canada with NO Duty at all, State taxes are another story, some states charge a TAX some do not, BUT NO duty.