| Form Factor | Tabletop |
| Signal Path | Digital Hardware |
| Power | 6x 1.5v AA Batteris / Yamaha PA3 / PA4 Adapter |
| 25 Note | Mini Keyboard |
| 28 Note | Polyphony |
| 16 Part | Multitimbral |
| Channels | 128 Voice (GM), 8 Voice (Drumkits) |
| Connections | - MIDI IN · DIN
- MIDI Out · DIN
- Headphones / Output · 3.5mm Miniature Phone Jack (1/8")
- Sync / To Host · Other
|
| Notes | General MIDI voices only, no effects. Plastic case (7" × 4" × 1.5" (19 × 10 × 3.5 cm) with LCD display. To-Host serial RS232 38.4 kbit/s input as well as MIDI. RS232 from the PC to the MU5 using the to-host cable is retransmitted as MIDI by the MU5. MIDI into the MU5 is converted to RS232 38.4 kbit/s and sent out the to-host cable to the PC. |