Arturia KeyStep 37 mk2

The Arturia KeyStep 37 mk2 is a versatile MIDI controller and sequencer that combines immediate hands-on control, advanced sequencing tools, and full connectivity with both hardware and software. Whether you're creating melodies in a modular setup or controlling soft synths in your DAW, the KeyStep 37 mk2 integrates seamlessly into any workflow.

Generative Sequencing – Evolving Ideas in Real Time

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 alters steps to create new patterns
• Spice — adds rhythmic variation at the press of a button
• Dice — randomizes the order of steps

From idea to performance in seconds.

Keyboard & Performance

The 37 Slim keys with velocity and aftertouch provide expressive control in a compact format. Two capacitive touch strips handle pitch bend and modulation with a smooth, natural 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 offers up to 64 steps and 8-voice polyphony, while the 16-mode arpeggiator with generative pattern styles opens new creative possibilities in every performance.

• Polyphonic step sequencer — up to 64 steps, 8 voices
• 16-mode arpeggiator with generative pattern styles
• 4 encoders + Control button for real-time 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 all your studio gear.

• USB-C MIDI — bus-powered & iPad compatible
• 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 version 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
• Display: OLED with RGB LED feedback
• Connections: USB-C MIDI, MIDI DIN In/Out, Sync In/Out, CV/Gate, pedal input
• Dimensions: 547 × 148 × 43 mm
• Weight: 1.09 kg

Box Contents

• Arturia KeyStep 37 mk2
• USB-A to USB-C cable for computer connection