In use, the BigShot ABY is both simple to use and efficient on stage. When powered by an external 9V supply or pedalboard power brick, full size super-bright LEDs spring to life to provide instant on-stage amplifier status readout. When power is unavailable, the passive audio signal path still works, unaffected. The compact yet ultra-rugged design makes the BigShot ABY ideal for pedalboards where space is always at a premium.  Designed for the purist, the Radial BigShot ABY is an ultra compact,100% passive foot switch that provides true bypass ABY amp or guitar switchingcapabilities with A or B toggle and A + B combine functionality. Thisassures the guitar signal is routed directly to the amp without anybuffering, loading or tone altering circuits.
To add versatility, the BigShot ABY has a built-in transformerthat can be engaged to eliminate troublesome ground loops. Once on, youcan also ensure your two amps are properly in phase using the 180ºpolarity reverse switch.

The compact yet ultra rugged design makes the BigShot ABY ideal forpedalboard designs where space is always at a premium. Furthermore,because it does not require powering to make it work, it eliminates theneed for batteries and space hungry power supplies.