Cerberus is a multi-function effect pedal which can be used standalone or with the 4 cable method and comes packed with extraordinary features including inside routing, IR loader, analog overdrive & distortion and digital effects. Each feature is another reason to own Cerberus! Cerberus is a multi-function effect pedal which can be used stand-alone or with the 4 cable method and comes packed with extraordinary features including inside routing, IR loader, analog overdrive & distortion and digital effects.