Source Audio C4 Synth PedalThe Sound Editor includes four assignable voices, three oscillator wave shapes (sine, square, saw), ten plus envelope followers, twenty plus modulating filters, distortion, tremolo, pitch shifting, intelligent harmonisation, FM synthesis, two programmable sequencers and more. The newly created presets can be transferred directly to one of the pedals, six slots and even published for other C4 users to enjoy. Specifications Six preset positions Growing