M-Audio Hammer 88 Pro vs M-Audio Oxygen 61 MK4
| M-Audio Hammer 88 Pro | M-Audio Oxygen 61 MK4 | |
|---|---|---|
| Key action | 88 graded hammer-action keys (weighted) with channel aftertouch | 61 full-size, synth-action velocity-sensitive keys |
| Aftertouch | yes (channel aftertouch) | — |
| Sounds / presets | 0 | — |
| Sequencer | — | No (not listed by manufacturer) |
| Bluetooth | No | — |
| USB audio | No | — |
| Pads / faders | — | 8 velocity-sensitive trigger pads…; 8 assignable knobs; 9 assignable faders |
| Weight | 18.5 kg | — |
| Released | 2021 | 2014 |
| Release month | 3 | 3 |
| USB to host | yes | — |
| Status | current | current |
| Keys | 88 | 61 |
| Controls | OLED screen, 16 RGB velocity-sensitive pads, pitch/mod wheels, 3 footswitch pedal inputs, 1 expression pedal input | — |
Full spec sheets: M-Audio Hammer 88 Pro · M-Audio Oxygen 61 MK4. Rows with a highlighted background differ.