Hot Box ABY-330 Micro A-B-Y channel switch (same as Mooer)The Hot Box ABY-330 can be used as an A/B or Y switch. The signal can flow from A or B to Y, or the signal can flow from Y to A or B. The pedal can work without power supply but the LED will not light.Expand the versatility of your rig, switch between amplifiers or combine two signals with the Hot Box ABY pedal. With its distinctly smaller footprint and the full functionality of a full-sized ABY solution, the passive Hot Box ABY pedal offers complete performance flexibility no matter the performance situation. Whether you're running your instrument through two amps simultaneously or switching between them, this Micro ABY pedal offers a one input/two output or one input/two output configuration for switching between setups quickly and easily. Compact footprint to fit on a crowded pedal boardProtective metal housing to withstand the rigors of the roadTrue hardwire bypass wiring for quiet uninterrupted signal flowPower Requirements: AC adapter 9V DC center negative (not included)Power not required for function (9V center negative power supply required to operate LED indicators)Dimensions: 93.5 mm (D) × 42 mm (W) × 52 mm (H)Weight: 160 g 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 (depending on stock availability, may also ship from our Niagara Falls NY. location) *Just to be clear on DUTY, (regardless of what eCRATER 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.