Relativ neu ist der GM2 Standard. Er bietet einige Erweiterungen zu GM1.
Die Tabelle zeigt GM2 in Kurzform. Die Unterschiede zu GM1 sind hervorgehoben.
| GENERAL REQUIREMENTS | |
| Number of Notes: 32 simultaneous notes | |
| MIDI Channels: 16 | |
| Number of Notes: 32 simultaneous notes | |
| Simultaneous Percussion Kits = up to 2 (Channel 10/11) | |
| SUPPORTED CONTROL CHANGE MESSAGES (Some Optional) | |
| Bank Select (cc#0/32) | Modulation Depth (cc#1) |
| Portamento Time (cc#5) | Channel Volume (cc#7) |
| Pan (cc#10) | Expression (cc#11) |
| Hold1 (Damper) (cc#64) | Portamento ON/OFF (cc#65) |
| Sostenuto (cc#66) | Soft (cc#67) |
| Filter Resonance (Timbre/Harmonic Intensity) (cc#71) | Release Time (cc#72) |
| Attack time (cc#73) | Brightness (cc#74) |
| Decay Time (cc#75) | Vibrato Rate (cc#76) |
| Vibrato Depth (cc#77) | Vibrato Delay (cc#78) |
| Reverb Send Level (cc#91) | Chorus Send Level (cc#93) |
| Data Entry (cc#6/38) | RPN LSB/MSB (cc#100/101) |
| SUPPORTED RPNs (Registered Parameter Numbers) | |
| Pitch Bend Sensitivity | Channel Fine Tune |
| Channel Coarse Tune | New! Modulation Depth Range (Vibrato Depth Range) |
| RPN NULL | |
| SUPPORTED UNIVERSAL SYSTEM EXCLUSIVE MESSAGES | |
| Master Volume | New! Master Fine Tuning |
| New! Master Coarse Tuning | New! Reverb Type |
| New! Reverb Time | New! Chorus Type |
| New! Chorus Mod Rate | New! Chorus Mod Depth |
| New! Chorus Feedback | New! Chorus Send to Reverb |
| New! Controller Destination Setting | New! Scale/Octave Tuning Adjust |
| New! Key-Based Instrument Controllers | New! GM2 System On |
| GM 2 INSTRUMENT SOUND SET | |
| GM 2 PERCUSSION SOUND SET | |