PedalBro

Uncategorized · Source Audio

Source Audio C4 Synth

The Source Audio C4 Synth is a polyphonic synthesizer pedal built around four oscillators, designed to deliver modular synth capabilities for guitar and bass. It offers switchable bypass, stereo output, MIDI connectivity, and expression control.

  • 9V DC · center −
  • 165 mA
  • Switchable (true or buffered)
  • Digital
  • Stereo
  • MIDI
New
from $269
Used (asking)
from $235

The rundown

Highlights

  • Four-oscillator design with polyphonic tracking
  • Stereo output and MIDI compatibility
  • Tap tempo and expression input controls
  • Switchable bypass topology
  • Runs on 9V DC power (165 mA)

Best for

Guitarists and bassists seeking advanced polyphonic synthesis and modular synth textures in a pedalboard-friendly format.

Quick facts

Power
9V DC
Current draw
165 mA
Polarity
Center negative
Bypass
Switchable (true or buffered)
Dimensions
73.2 × 114.3 mm
Stereo
Yes
MIDI
Yes
Tap tempo
Yes
Expression input
Yes
Status
In production

Where to buy Source Audio C4 Synth

$269 lowest new price · Reverb

Used listings asking $235–$366.72, median $268.95 (5 listings). Asking prices, not sold prices.

Current offers
SellerConditionPriceLink
ReverbUsed$235View
ReverbUsed$268.95View
ReverbUsed$268.95View
ReverbNew$269View
ReverbNew$269View
ReverbNew$269View
ReverbNew$269View
ReverbNew$269View
ReverbNew$269View
ReverbNew$269View

Prices last checked 22 hours ago. Links to sellers are affiliate links.

Frequently asked questions

What power supply does the C4 Synth require?

The C4 Synth runs on a 9V DC supply with 165 mA draw and center-negative polarity.

Does the C4 Synth have stereo output?

Yes, the C4 Synth features stereo output.

Can the C4 Synth be controlled via MIDI?

Yes, the C4 Synth has MIDI connectivity.

What are the dimensions of the C4 Synth?

The C4 Synth measures 73.2 x 114.3 mm.

Similar pedals

Same type, similar features.

Specs from pedalfilter. Summary written by PedalBro from those specs and public descriptions.

Page last updated September 29, 2026.