Diagram of the front panel of the Dave Smith Instruments Mopho x4
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Dave Smith Instruments Mopho x4 MIDI CCs & NRPNs

MIDI implementation details for the Dave Smith Instruments Mopho x4.

Last update: March 9, 2026 • 43 parameters

Contributions welcome! You can email us your edited CSV if you don't want to use GitHub.

Oscillators

Parameter CC Range Usage Orientation
Oscillator 1 frequency 20 [0–127] — 0-based
Oscillator 1 frequency fine 21 [0–127] — 0-based
Oscillator 1 shape 22 [0–127] — 0-based
Glide 1 23 [0–127] — 0-based
Oscillator 2 frequency 24 [0–127] — 0-based
Oscillator 2 frequency fine 25 [0–127] — 0-based
Oscillator 2 shape 26 [0–127] — 0-based
Glide 2 27 [0–127] — 0-based
Sub oscillator 1 30 [0–127] — 0-based
Sub oscillator 2 31 [0–127] — 0-based
Oscillator mix 28 [0–127] — 0-based
Noise level 29 [0–127] — 0-based
Feedback amount 52 [0–127] — 0-based
Feedback gain 53 [0–127] — 0-based

Filter

Parameter CC Range Usage Orientation
Filter frequency 102 [0–127] — 0-based
Resonance 103 [0–127] — 0-based
Filter key amount 104 [0–127] — 0-based
Filter audio mod 105 [0–127] — 0-based
Filter envelope amount 106 [0–127] — 0-based
Filter envelope velocity amount 107 [0–127] — 0-based
Filter delay 108 [0–127] — 0-based
Filter attack 109 [0–127] — 0-based
Filter decay 110 [0–127] — 0-based
Filter sustain 111 [0–127] — 0-based
Filter release 112 [0–127] — 0-based

Amp

Parameter CC Range Usage Orientation
Pan spread 114 [0–127] — Centered
Envelope amount 115 [0–127] — 0-based
Velocity amount 116 [0–127] — 0-based
Amp delay 117 [0–127] — 0-based
Amp attack 118 [0–127] — 0-based
Amp decay 119 [0–127] — 0-based
Amp sustain 75 [0–127] — 0-based
Amp release 76 [0–127] — 0-based

Envelope 3

Parameter CC Range Usage Orientation
Destination 85 [0–127] — 0-based
Amount 86 [0–127] — 0-based
Velocity amount 87 [0–127] — 0-based
Envelope 3 delay 88 [0–127] — 0-based
Envelope 3 attack 89 [0–127] — 0-based
Envelope 3 decay 90 [0–127] — 0-based
Envelope 3 sustain 77 [0–127] — 0-based
Envelope 3 release 78 [0–127] — 0-based

Clock

Parameter CC Range Usage Orientation
BPM 14 [0–127] — 0-based
Clock divide 15 [0–127] — 0-based

The portions of this library that refer to specific devices may be owned by the devices' respective manufacturers. Everything else is licensed under the Creative Commons Attribution Share Alike 4.0 International license.