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Arturia KeyStep Pro is a 37-key, 4-track polyphonic sequencer and controller with 4 CV/Gate/Mod output sets, 8 drum gate outputs, MIDI in plus two MIDI outs, and clock I/O, built to conduct an entire hardware setup from one keyboard.
It is made for performers and studio owners running multiple synths, drum machines and modular voices at once.
At a Glance
| Keybed | 37 velocity-sensitive slim keys with aftertouch |
| Sequencer | 4 tracks: 3 polyphonic melodic sequencers plus a 24-part drum track, 16-pattern chains |
| Arpeggiator | Multi-mode arpeggiator per melodic track |
| Feedback | OLED display with per-track color coding and LED step feedback |
| Finishes | Aluminum (white) or Black edition |
I/O and Connectivity
| CV/Gate | 4 sets of Pitch CV, Gate and Mod outputs (3.5mm) |
| Drum gates | 8 x 3.5mm gate outputs on the drum track |
| MIDI | MIDI input plus 2 independent MIDI outputs (5-pin DIN) |
| Clock | Clock/sync in and out |
| Pedal | Sustain pedal input |
| USB | Class-compliant USB MIDI |
Key Features
- Four tracks of control: sequence three synths and a full drum machine simultaneously
- Modular-grade I/O: 4 CV/Gate/Mod sets and 8 drum gates patch straight into Eurorack
- Two MIDI outs: address more hardware without a MIDI splitter
- Performance keybed: slim keys with aftertouch, chord memory and scale features
Frequently Asked Questions
How many instruments can it sequence at once?
Four tracks: three polyphonic melodic tracks and one 24-part drum track, over CV, MIDI and USB simultaneously.
What CV connections does it have?
Four sets of Pitch, Gate and Mod outputs plus eight drum gate outputs, all 3.5mm.
Why two MIDI outputs?
Each output is independent, so more hardware can be addressed directly without splitters or thru boxes.
What is the difference between the colors?
Aluminum and Black are finish options. Features are identical.
Need help choosing?
Victory Musical Instruments can help compare models and configurations for your setup.