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Arturia KeyStep 37 MK2 Keyboard Controller Sequencer

A versatile 37-key controller with aftertouch, deep sequencing, generative tools, assignable knobs, and extensive MIDI/CV connectivity?perfect for sparking musical ideas.

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    KeyStep 37 mk2 is a versatile controller and sequencer that combines hands-on playability, deep sequencing tools, and broad hardware/software connectivity. Whether crafting melodies on a modular rig or sequencing soft synths in a DAW, KeyStep 37 mk2 fits directly into any workflow and sparks new ideas.

     

    KeyStep 37 mk2 features a velocity-sensitive 37-note Slimkey keyboard with aftertouch for expressive control in a small footprint. Pitch and mod strips provide intuitive realtime shaping, while built-in chord and scale modes make new musical phrases effortlessly explorable.

     

    Ideas machine

    KeyStep 37 mk2 is a generative ideas machine as much as a controller, with its polyphonic step sequencer, 16-mode arpeggiator, pattern chaining, and creative tools like Mutate all working in symbiosis. Build a riff with the arpeggiator, convert it into a sequence then transform it! Use Mutate to hear new variations on the fly, try a different octave, adjust note lengths, add silences, overdub additional notes, record Bend and Wheel automations - keep ideas evolving with immediacy.

     

    4 knobs to rule them all

    Four dedicated encoders provide immediate, hands-on command over the Arpeggiator, Sequencer, and Mutate parameters, for a streamlined performance workflow and minimal menu diving. These are also freely assignable to custom MIDI CC and CV/Gate destinations.

     

    Hardware connectivity

    Hook up to virtually anything. Alongside USB-C MIDI, MIDI DIN, sync I/O, and pedal input, KeyStep 37 mk2 features 4 CV outputs - Pitch, Gate, Mod 1, and the new Mod 2 - all  configurable as velocity, aftertouch, mod wheel, and more, ready to control modular/ hardware gear with expressive precision.

     

     

    Arturia KeyStep 37 mk2 Features

     

    • 37‑note Slimkey keyboard with velocity & aftertouch
    • 2 capacitive touch strips for pitch‑bend & modulation
    • Polyphonic step sequencer: up to 64 steps, 8‑voice polyphony
    • 16‑mode arpeggiator with generative pattern styles
    • Mutate, Spice & Dice tools for live variation
    • Chord & Scale modes for instant harmony
    • OLED display with clickable encoder & RGB LED feedback
    • 4 encoders + Control button. Hands-on, mode-aware editing for Seq, Arp, Chord, and Mutate
    • MIDI CC button with 4 banks. Access 16 assignable MIDI CCs available across all modes
    • 4 controllable CV/Gate outputs (Pitch, Gate, Mod 1, Mod 2) assignable to velocity, aftertouch, mod wheel & more
    • Full‑size MIDI DIN In/Out + 3.5 mm Sync In/Out
    • MIDI Thru support
    • Sustain / expression pedal input (TRS)
    • USB‑C MIDI (class‑compliant) and bus power
    • Power switch & Kensington lock slot
    • Low‑power operation; iPad® compatible (camera connection kit required)
    • Software bundle: Analog Lab Intro (500+ sounds), Ableton Live Lite
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    Arturia KeyStep 37 MK2 Keyboard Controller Sequencer Specifications

    Arturia KeyStep 37 MK2 Keyboard Controller Sequencer Specifications
    Product Specifications
    • Keyboard: 37 keys
    • Onboard controls: Screen + encoder, 2 buttons, 4 knobs
    • Mutate control: More hands-on control over Mutate / Seq / Arp parameters
    • MIDI CC control: More immediate CC control with 4 assignable knobs
    • Key indicator: 39 LED key indicator
    • Software bundle: Analog Lab Intro (500+ sounds) + Ableton Live Lite
    • Box content: KeyStep 37 mk2 unit, USB-A to USB-C cable
    • Size (inches): 2.28 x 21.54 x 5.83 inches
    • Weight (lb): 2.40 lb
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