| USA | Source Audio C4 Synth Guitar/Bass synth pedal. 2020s. Mint condition. Be... | $200.00 | |
| USA | Never on a pedal board, barely used at all beyond trying it out for a fe... | $200.00 | |
| USA | Need a new stomp box? Of course you do. This one sounds amazing, is very... | $209.00 | |
| USA | Source Audio C4 Synth PedalSA249Features:Unprecedented sound-sculpting o... | $209.99 | |
| USA | Great pedal! Lots of fun sounds from this one. An industry pinnacle of f... | $210.00 | |
| EU | Effect pedal for guitar or bassModular synthesizerFree editor software "... | $264.47 | |
| UK | Browse, Burn, and PlayIt’s that easy. When you're ready to explore beyo... | $276.02 | |
| Canada | Selling my Source Audio C4 Synth Pedal. Pedal is in excellent condition... | $288.48 | |
| UK | Selling my much loved C4 - downsizing pedalboard and can't justify keepi... | $304.02 | |
| UK | Very good condition and full working order.Part ex is welcome - Please g... | $312.21 | |
