The Morley ABC Switcher Selector Combiner expands on Morley's legendary ABY switching technology with three channels of routing flexibility. Route a single input to three separate outputs or combine three inputs into one output—perfect for guitarists and musicians managing multiple amplifiers or signal chains. Built with heavy-duty cold-rolled steel construction and requiring no external power (only 2mA LED draw), this compact pedalboard essential delivers reliable switching in a footprint of just 6.63" x 4.38" x 2". Made in the USA. Based off Morley's Iconic ABY With an Added Extra Channel No Power Source Required. Only LED's Require Power (2 mA Draw) Route 1 Input to 3 Outputs or Reverse it and Bus 3 Inputs to 1 Output Heavy Duty Cold-Rolled Steel Construction Made in the USA Dimensions: 6.63″ L x 4.38″ W x 2″ H