Source Audio

Source Audio C4 Synth

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A four-voiced synth pedal for your guitar or bass.

The C4 Synth unites all the sound creation tools of a classic Eurorack modular synthesizer and packages them in a compact and easy-to-use pedal.

Out of the box, the C4 features six dynamic synth effects, with unprecedented tracking abilities, and lightning-fast response.

For those looking beyond the six onboard effects, the Neuro Desktop Editor and Neuro Mobile App offer a diverse library of presets.

Creating custom presets is super easy.

The C4 connects to the Neuro Editor via the pedal's mini USB port or the Neuro Mobile App via the phone's headphone jack and Input 2 on the pedal.

Once connected, you can easily browse presets on the pedal for testing.

Favorite presets can be saved with a single click to any of the pedal's 6 toggle switch positions (or 128 MIDI accessible positions).

Source Audio C4 Synth Pedal Features:

• A Powerful Modular Synth Pedal for Your Guitar or Bass.

• 6 Preset Positions: Use the C4’s three-position toggle switch and 2 preset banks to save six easily accessible presets.

• Supreme Tracking: You’ll be amazed by the lightning quick, imperceptible latency of the C4 Synth.

• Save up to 128 presets.

• 3 Types of Oscillators.

• 11 Envelope Followers.

• 25 Filter Effects.

• 14 Different LFO Wave Shapes.

• 2 Programmable 16-Step Sequencers.

• Stereo Inputs and Outputs.

• Universal Bypass: Select either analog buffered or relay based True Bypass.

• External Expression and Tap Tempo Control.

• Power: 9V DC.

• Current Draw: 165mA.

• Dimensions: 4.5" X 2.75" X 2".



Type Bass Effect, Synthesizer
condition New
Power 9V DC
Current Draw 300mA
Power supply included Yes
Manufacturer Warranty 2 years
Shipping & Return



Fast Delivery




  • Q : Is this item in stock? +

    A : On each product page, you’ll find an availability status.

    Products with the mention 'Availability: In stock' are in stock and ready to ship.

    Products with the mention 'Availability: Out of stock' are not currently in stock.

    For out of stock products, you can ask to get notified as soon as the item is back in stock.

    Enter your email in the ‘Notify me when available’ field and you’ll be kept in the loop.

  • Q : Where are you located? +

    A : We’re in Quebec, Canada.

  • Q : Can we meet? +

    A : Yes! We’re in Blainville, Quebec.

    Contact us to schedule an appointment.

  • Q : What payment methods do you accept? +

    A : We accepts credit card, Paypal and Bitcoin payments.

  • Q : What shipping method do you use? +

    A : We ship with UPS.

  • Q : How much does shipping cost? +

    A : Shipping to Canada and the USA is free on most orders.

    Shipping to the rest of the world is free on orders over 399$US.

    Visit the Shipping page for more infos.

  • Q : Do you charge sales taxes to Canadians? +

    A : Yes. Canadian residents are asked to pay sales taxes:

    Alberta: 5%.

    British Columbia: 5%.

    Manitoba: 5%.

    New Brunswick: 15%.

    Newfoundland and Labrador: 15%.

    Northwest Territories: 5%.

    Nova Scotia: 15%.

    Nunavut: 5%.

    Ontario: 13%.

    Prince Edward Island: 15%.

    Quebec: 14.975%.

    Saskatchewan: 5%.

    Yukon: 5%.

  • Q : Are there import charges on orders shipped to Canada? +

    A : No. Canadian customers will not be charged import fees.

  • Q : Are there import charges on orders shipped to the USA? +

    A : No. USA residents will not be charged import fees.

  • Q : Are there import charges on International shipments? +

    A: Shipping prices do not include VAT or other import taxes.

    Customers outside of Canada and the USA are responsible for duties and taxes.

    Orders that come back to the shop as refused by the customer will be refunded minus shipping.

    Please track your shipment to be aware of customs processing and delivery attempts.

  • Q : Can you declare a lower value on customs documents? +

    A : We understand that import fees are an annoying part of international purchases.

    However, we cannot offer to declare a lower value on customs forms.

    Customers outside of Canada and the USA are responsible for any fees that may be charged by their government.