PROTIS 1™ V2 Guitar Effects Development Board The PROTIS 1™ V2 is the premier Guitar Effects Development Board for DIY pedal builders and enthusiasts. PROTIS 1™ V2 Features I. Power The PROTIS 1 V2 hosts four (4) power rails (+18V, +12V, and +9V), the latter two are made live by removable jumpers. The +12V and +9V rails … Continue reading PROTIS 1: Guitar Effects Development Board