It is revolutionary: all analog guitar stompboxes (90% of them uses a 3PDT switch compatible with midi ready one) can be activated by a midi controller without the need of a switcher, double cables, and at the same time the stompboxes mantains the same previous practical functionality and look. The same circuit is suitable to be used on stompboxes with different kind of bypass with few modifications, and can be used to create custom applications as amplifier channel switchers, A/B boxes etc.