Arturia KeyStep 37 mk2 — The versatile MIDI controller and sequencer that combines direct hands-on control, advanced sequencing tools and full connectivity with hardware and software. Whether youre creating melodies in a modular setup or controlling soft synths in your DAW, the KeyStep 37 mk2 integrates seamlessly into every workflow.
Generative Sequencing – Live Evolution of Ideas
The KeyStep 37 mk2 introduces Mutate, Spice & Dice tools that transform patterns in real-time — ideal for live performance, creative exploration and endless inspiration.
Mutate — randomly change steps for new patterns
Spice — add rhythmic variety with a button press
Dice — randomly rearrange the sequence of steps
Keyboard & Performance
The 37 Slim keys with velocity and aftertouch deliver expressive control in a compact form. Two capacitive touch strips handle pitch bend and modulation with natural, fluid feel.
37 Slim keys with velocity & aftertouch
2 capacitive touch strips for pitch bend & modulation
Chord & Scale modes for instant harmonic exploration
OLED display with clickable encoder & RGB LED feedback
Sequencer & Arpeggiator
The polyphonic step sequencer reaches 64 steps and 8-voice polyphony, while the 16-mode arpeggiator with generative pattern styles opens new creative paths in every performance.
Polyphonic step sequencer — up to 64 steps, 8 voices
16-mode arpeggiator with generative pattern styles
4 encoders + Control button for direct parameter control
MIDI CC button with 4 banks & 16 assignable MIDI CCs
Connectivity
Ready for any setup — from DAW to modular. The KeyStep 37 mk2 connects with whatever you already have in your studio.
USB-C MIDI — bus power & iPad compatibility
Full-size MIDI DIN In/Out
4 CV/Gate outputs: Pitch, Gate, Mod 1, Mod 2
3.5mm Sync In/Out for hardware sync
Sustain / expression pedal input (TRS)
Included Software
Analog Lab Intro — 500+ sounds from Arturia
Ableton Live Lite — full Lite edition for music production
Technical Specifications
Keys: 37 Slim keys with velocity & aftertouch
Sequencer: Polyphonic step sequencer, up to 64 steps, 8 voices
Arpeggiator: 16 modes with generative pattern styles
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