Demonfx Harmonic Booster Clean Bass Pre-amp This is Demon's take on the Harmonic Booster - Clean pre-amp for bass. Nice little floor stomp to shape those lower register bass outputs. DemonFx are Pretty much handmade in small batches. Quality components and a FULL RANGE OF TONAL OPTIONS. Well worth the price. Bringing some of the best sought after sounds at a real nice price. The inspiration for this unit comes from a super popular unit that has many bass players talking. Note: Power supply not included. Please use a 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 ) 1 * Year warranty through our store No Duty to Canada and USA FAST 'N FREE USA Shipping (typically about 4 days) Ships from Canada (depending on stock availability, may also ship from our Niagara Falls NY. location) *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.