Source Audio Introduces the C4 Synth, A Eurorack Modular Synth in a Pedal for Guitar and Bass. Boston, MA – Source Audio, creators of the extremely popular Nemesis Delay and Ventris Dual Reverb, are releasing the C4 Synth, a four-voiced synthesizer pedal for guitar and bass. The C4 Synth unites all the sound creation tools [...]