Arturia KeyStep 37 MK2 Controller and Sequencer

KeyStep 37 mk2 is the ultimate compact controller & sequencer for hybrid setups. With a 37-note Slimkey keyboard, hands-on encoders, generative sequencing tools, and deep connectivity via CV/Gate, MIDI DIN, and USB-C — spark ideas in your DAW, pilot any synth, or patch modular without breaking your flow.

Hands-on control

Play, arpeggiate, and sequence ideas the moment they strike. KeyStep 37’s OLED display, 4 mode-aware encoders, and full RGB feedback also make every edit fast and intuitive.

Generative creativity

Capture a riff, turn it into a sequence, then transform it with mutation tools and real-time performance control. Keep inspiration flowing with features that invite constant discovery and movement.

Universal connectivity

Command modular, vintage, and modern gear alongside your DAW. Controllable CV/Gate, MIDI DIN, Sync I/O, and USB-C keep every piece of your setup talking, and in time.

Slimkey keybed: 37 expressive keys with velocity & aftertouch.

16 mode arpeggiator: From simple cycles to creative melodic textures.

Pitch & mod touch strips: Smooth bends and modulation plus live Gate/Spice/Dice sliders.

4 mode-aware encoders: Instant access to Seq/Arp/Chord/Mutate editing.

Mutate, Spice & Dice: Instant, musical variations and controlled randomness.

Controllable CV/Gate outputs: Four outputs for pitch, gate, and modulation — with flexible mapping.

Polyphonic step sequencer: Record or program up to 64 steps of 8-note polyphony.

Chord & Scale modes: Lock to a key and trigger full chords for harmonic flow.

Full-size MIDI DIN + Sync I/O: Seamless DAW, hardware, and Eurorack integration.