| Name | Description | Year | Manufacturer | Rom of | Clone of |
| ex8000 | EX-8000 Programmable Polyphonic Synthe Module | 1985 | Korg | dw8000 | dw8000 |
| k1m | K1m Digital Multi-Dimensional Synthesizer Module | 1988 | Kawai Musical Instrument Manufacturing | k1 | k1 |
| k1r | K1r Digital Multi-Dimensional Synthesizer Module | 1988 | Kawai Musical Instrument Manufacturing | k1 | k1 |
| k1rii | K1rII Digital Multi-Dimensional Synthesizer Module | 1989 | Kawai Musical Instrument Manufacturing | | |
| k4r | K4r 16-bit Digital Synthesizer Module | 1989 | Kawai Musical Instrument Manufacturing | k4 | k4 |
| k5m | K5m Digital Multi-Dimensional Synthesizer Module | 1987 | Kawai Musical Instrument Manufacturing | k5 | k5 |
| mks50 | MKS-50 Synthesizer Module | 1987 | Roland | | |
| mks7 | MKS-7 Super Quartet | 1985 | Roland | | |
| mks70 | MKS-70 Super JX Polyphonic Synthesizer | 1987 | Roland | jx10 | jx10 |
| poly800mdk | Poly-800 Programmable Polyphonic Synthesizer (MIDI Dump Kit) | 1984 | Korg | | |
| proteus1 | Proteus/1 16-Bit Multi-Timbral Digital Sound Module | 1989 | E-mu Systems | | |
| proteusxr | Proteus/1 XR 16-Bit Multi-Timbral Digital Sound Module | 1989 | E-mu Systems | | |