| USA | Source Audio’s C4 Synth Pedal packs the power of a classic Eurorack modu... | $169.00 | |
| USA | Item is in great condition Comes with box bower cord and velcro attached... | $250.00 | |
| Canada | Gently used Source Audio C4 synth pedal. Some cosmetic blemishes but ful... | $201.27 | |
| Canada | Used it once or twice but never really put on my pedal board. Great comp... | $219.44 | |
| USA | Great condition! Just decided to go with a Helix, so dont need an extra... | $169.00 | |
| USA | Source Audio C4 synth pedal is in very good condition with normal use. P... | $179.00 | |
| EU | Selling my Source Audio C4 Synth pedal, a versatile and powerful unit th... | $306.27 | |
| USA | Vintage Guitar Workshop has a Source Audio C-4 Bass Synth Pedal for sale... | $200.00 | |
| USA | Source Audio’s C4 Synth Pedal in excellent condition!Originally got this... | $167.00 | |
| UK | I bought this a few months ago - it's a truely amazing modular synth ped... | $259.34 | |
