Mooer Auto Wah Mooer Factory Authorized Dealer Auto WAH brings together 4 very different Wah sounds and a cool Talk effect into one small pedal. It has two main modes of operation; Auto which is time based and Touch which responds to the dynamics of the musicians instrument. The 3 controls provide great manipulation of the tonal qualities of the pedal. Controls Operation method switch: 'AUTO' is a time based filter. 'Touch' responds to the dynamics of the instrument. MODE control: Selects the filter mode and simultaneously adjusts the MIX and ATTACK of the filter. The 5 filter modes are listed below LP (Low pass) BP (bandpass) HP (high pass) SP (Standard) TALK (vocal) RANGE:Adjusts the tonality of the filter SPEED / GAIN: Adjusts the rate of the 'AUTO' wah or the input response of the 'TOUCH' wah Specification Input: 1/4? mono audio jack.?Impedance: 470k Ohms) Output: 1/4? mono audio jack?Impedance: 100 Ohms) Power requirements: AC adapter 9V DC ,center negative. (not included) Highly recommend to use Mooer Power Supply's. Current Draw: 120mA Dimensions: 93.5mm(D) x 42mm(W) x 52mm(H) Weight: 140g 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 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.