Sequential OB-6 vs Sequential Pro 3
| Sequential OB-6 | Sequential Pro 3 | |
|---|---|---|
| Key action | Full-sized, semi-weighted, 4-octave (49-key) keyboard with velocity and channel aftertouch | Full-sized, three-octave (37-key), semi-weighted Fatar keyboard with velocity and aftertouch |
| Aftertouch | yes (channel aftertouch) | yes |
| Polyphony | 6 | 1 |
| Sounds / presets | 1000 | 1024 |
| Bluetooth | No | No |
| USB audio | No | No |
| Weight | 9.5 kg | 7.25 kg |
| Dimensions (W×D×H) | 807 × 323 × 117 mm | 677 × 338 × 125 mm |
| Released | 2016 | 2020 |
| USB to host | yes | yes |
| Status | legacy | legacy |
| Keys | 49 | 37 |
| Pedals | Sustain footswitch input, Sequencer start/stop footswitch input, Filter cutoff expression pedal input, Volume expression pedal input | 1 Expression pedal input, Sustain footswitch input, 4 CV outputs (4 x 1/8" jack) |
Which one should you buy?
- Choose the Sequential Pro 3 if budget is the priority — it is about $1400 cheaper (approx.).
- Choose the Sequential Pro 3 if lighter to carry to gigs and lessons (9.5 kg vs 7.25 kg).
- Choose the Sequential OB-6 if you layer sounds or use the sustain pedal heavily (6 vs 1).
- Choose the Sequential Pro 3 if you want more variety of built-in voices (1000 vs 1024).
Full spec sheets: Sequential OB-6 · Sequential Pro 3. Rows with a highlighted background differ.