Source Audio C4 Synth — MIDI Editor & CC Reference
Control the Source Audio C4 Synth from your browser — full MIDI CC reference for 5 parameters, interactive editor, and AI-generated presets. Free, no install.
Nitelite gives the C4 Synth a full browser-based control surface: turn every knob, flip every switch, describe the tone you want to the AI Tone Terminal, and save the results — all sent to the pedal live over MIDI (default channel 1). Works free in Chrome, Edge, Opera, or Brave — no install required.
Knobs
Control
MIDI CC
Description
INPUT
CC 1
Input level going to the processor. Set to match your instrument output — lower for hot/active pickups, higher for passive pickups.
MIX
CC 3
Wet/dry balance. 50/50 mix at roughly 12 o'clock (value ~64). Full left = 100% dry, full right = 100% wet.
CONTROL 1
CC 5
Assignable control — function varies by preset. Common assignments: Envelope Speed, Filter Frequency, LFO Speed, Distortion Drive.
CONTROL 2
CC 6
Assignable control — function varies by preset. Common assignments: Envelope Sensitivity, Filter Q, Filter Depth, Distortion Output.
Alt / Secondary Knob Functions
Control
MIDI CC
Description
SENSITIVITY
CC 2
Envelope filter reactivity. Lower for hard players (smoother response), higher for light players (sharper response).
VOLUME
CC 4
Master output volume. Varies depending on the signal density of the active preset.