The Radial Bones Twin-City ABY amp switcher pedal lets you connect to two amps simultaneously — and run them both with no extra noise or signal loss! The Bones Twin-City ABY pedalincludes both an ABY switcher and a buffer as well as Radial's Drag Control load correction circuitry, which lets you eliminate signal loss. This amazing box includes a pedal that lets you toggle between amps as well as a pedal to select both outputs. It also includes an isolation transformer, to eliminate hum and buzz from ground loops. Get the most out of your 2-amp setup, with the Bones Twin-City ABY pedal!