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ARTURIA KEYSTEP-37-MK2 Keyboard with 37 mini keys
Copied many times but never equaled, KeySteps have taken over the setups of keyboardists with tabletop or modular synths. At electronic music trade shows, it’s getting hard to find a booth without a KeyStep. The reason? It’s the smartest keyboard with a built-in sequencer at an unbeatable price.
Expressive playability in a compact form factor
The 37-note Slimkey keyboard with velocity and aftertouch offers a smooth, natural playing feel. Touch strips for pitch and modulation, combined with Chord and Scale modes, enable intuitive, inspiring musical exploration—whatever your playing style.
A true idea machine
More than just a controller, KeyStep 37 mk2 is a complete creative tool: a polyphonic step sequencer, a 16-mode arpeggiator, pattern chaining, and a Mutate function to generate instant variations. Build, transform, and enrich your sequences in real time to spark limitless creativity.
Smart design and universal connectivity
With USB-C, DIN MIDI, CV/Gate, pedal, and Sync I/O, KeyStep 37 mk2 connects easily to any setup: synthesizers, analog modules, or software. Its compact, well-thought-out chassis fits effortlessly into any rig—on stage, in the studio, or at the heart of a modular system.
Advanced modulation and hands-on control
Beyond its 37-key layout, KeyStep 37 mk2 offers new CV modulation options: LFO, envelope, and cycling envelope for precise control of your modular synths. Its 4 multifunction knobs let you control your MIDI instruments and set Chord, Sequencer, Arpeggiator, and Mutate modes directly—no menu diving. A true concentration of control and creativity at your fingertips.
- Display: OLED
- Aftertouch: Yes
- Power: USB-C
- Arpeggiator: Yes
- Category: MIDI controller keyboard
- Compatibility: iOS
- Controller: Transport controls
- Color: White
- Dimensions (mm): 547 x 148 x 43
- Inputs: Sustain pedal, MIDI, Sync In, USB MIDI
- Key size: Medium
- Included software: Analog Lab Intro, Ableton Live Lite
- Number of knobs: 5
- Number of keys: 37
- Weight: 1.09 kg
- Velocity-sensitive: Yes
- Sequencer: Yes
- Outputs: MIDI, USB MIDI, CV/Gate: pitch, gate, mod, Sync Out
- Feel: Dynamic with aftertouch
- Transpose: Yes
- Additional specs:
37-note Slimkey keyboard, velocity-sensitive with aftertouch
Polyphonic step sequencer: up to 64 steps, 8-voice polyphony
16-mode arpeggiator with generative pattern styles
Mutate, Spice & Dice tools for live variations
Chord and Scale modes for instant harmony
OLED display with clickable encoder and RGB LED feedback
4 encoders + control button
Smoother, more comprehensive editing of Sequencer, Arpeggiator, Chords, and Mutate functions
MIDI CC button with 4 banks; access to 16 assignable CCs in all modes
4 controllable CV/Gate outputs (Pitch, Gate, Mod 1, Mod 2) assignable to velocity, aftertouch, mod wheel, and more
Full-size DIN MIDI In/Out + 3.5 mm Sync In/Out
Sustain/expression pedal input (TRS)
USB-C MIDI (class-compliant)
Power switch and Kensington security slot
Low-power operation; iPad® compatible (Camera Connection Kit required)
Specific References
- OAR KEYSTEP-37-MK2
- 3760033532424