Radial BigShot Amp Switch (1-in/2-out) sale and the name says everything

and the name says everything - "crunch" is what it's all about

A foot-switchable overdrive circuit

You’ll find it with the OD303

Very high sound pressure handling capability

Radial BigShot Amp Switch (1-in/2-out) sale and the name says everythingFeatures True bypass ABY amp selector with LED indicators On board transformer to eliminate hum & buzz 180 polarity reverse to phase match amps 100% passive audio path, does not require power Effective control for your two amp setup The BigShot ABY makes it easy to run two amps on stage, without introducing noise or altering your tone. The pedal has two latching footswitches that allow you to choose which amp is active, or run through both