This Pedal is currently available.
passive switch
Switch your signal between two different amplifiers, two different pedal boards or two different speaker cabinets. Flexible channel switching built into a compact die-cast case.
These merchants probably sell this module. Huh?
Electro-Harmonix Nano Switchblade
Electro-Harmonix Nano Switchblade
Electro-Harmonix Nano Switchblade Plus
Electro-Harmonix Nano Switchblade Plus
Electro-Harmonix Nano Switchblade +
Electro-Harmonix Switchblade Nano