D-20
| Manufacturer | Roland |
| Function | Synthesizer (Linear Arithmetic synthesis), Sequencer (7 synth & 1 rhythm tracks) |
| Produced | 1988 |
| Country | Japan |
| Form Factor | Keyboard |
| Signal Path | Digital Hardware |
| Channels | 32 Voice, 8 Track |
| Manufacturer | Roland |
| Function | Synthesizer (Linear Arithmetic synthesis), Sequencer (7 synth & 1 rhythm tracks) |
| Produced | 1988 |
| Country | Japan |
| Form Factor | Keyboard |
| Signal Path | Digital Hardware |
| Channels | 32 Voice, 8 Track |