Korg Grandstage vs Roland RD-300GX
| Korg Grandstage | Roland RD-300GX | |
|---|---|---|
| Key action | RH3 (Real Weighted Hammer Action 3), A0-C8, velocity sensitive, aftertouch not supported | 88 keys (PHA alpha II Keyboard) |
| Aftertouch | no | — |
| Polyphony | 240 | 128 |
| Sounds / presets | 500 | 110 |
| Sound engine | Seven sound engines: SGX-2 acoustic piano, EP-1 electric piano, AL-1 analog modelling, CX-3 tonewheel organ, VOX transistor organ, Compact transistor organ and HD-1 PCM | Conforms to General MIDI 2 System88-key Stereo Multi-sampled Piano Sound |
| Effects | 4 insert effects plus 3-band EQ per sound, reverb/delay section (hall, stage, room, spring) and a 3-band master equalizer | — |
| Speakers | None (line out only) | None (line out only) |
| Bluetooth | No | — |
| USB audio | Yes | No |
| Pads / faders | no | — |
| Weight | 20 kg | 16.4 kg |
| Dimensions (W×D×H) | 1311 × 359 × 140 mm | — |
| Battery power | no | — |
| Released | 2017 | 2007 |
| Discontinued | 2024 | 2011 |
| Status | legacy | legacy |
| Keys | 88 | 88 |
Which one should you buy?
- Choose the Roland RD-300GX if lighter to carry to gigs and lessons (20 kg vs 16.4 kg).
- Choose the Korg Grandstage if you layer sounds or use the sustain pedal heavily (240 vs 128).
- Choose the Korg Grandstage if you want more variety of built-in voices (500 vs 110).
Full spec sheets: Korg Grandstage · Roland RD-300GX. Rows with a highlighted background differ.