With the Chroma edition, Arturia's multi-functional sequencing & performance controller, KeyStep Pro, gets a futuristic makeover accompanied by a number of subtle upgrades that cement its place as a must-have for serious musicians who want to control any hardware or software.

At its core, KeyStep Pro Chroma is the same powerhouse sequencer that raised the bar, but with an electrified metallic aesthetic, customization options, and firmware, giving users a bunch of reasons to be excited about this acclaimed do-it-all controller.

The ultimate multi-function sequencer

KeyStep Pro remains a staple in production & performance setups worldwide. Command complex hardware setups, entire DAW setlists, modular racks, and beyond with its performance-friendly workflow, massive MIDI & CV connectivity, deeply-layered sequencing, and an array of creative & musical features.

Fresh, customizable aesthetic

Want your sequencer-controller to stand out with a slick, futuristic edge? KeyStep Pro Chroma puts a metallic sci-fi spin on the original design, featuring an electrifying metallic gray exterior, metallic knob caps, vibrant blue LEDs, and customizable track colors.

Evolved sequencing, arpeggiation, and looping

Create complex layered sequences, spontaneous evolving arpeggios, and articulate musical loops in seconds, all from the familiar form factor of a compact keyboard controller. Whether it's hardware or software, KeyStep Pro makes sequencing fresh, fun, and tactile.


Enjoy a sequencer that's designed to be hands-on, immediate, and expressive. Switch tracks in seconds, configure each to create sequences or arpeggios in real-time, save and recall groups of sequences, and tap the looper strip for breaks, fills, and glitches to add variety and randomness.

Next-level connectivity

Connect and control every part of your setup, from Eurorack modules to VST instruments, totally in sync. Make the most of 4 x CV, Gate, and Mod outputs, 8 dedicated drum Gate outputs, clock in/out, MIDI in/out, and much more - everything you'll ever need.

KeyStep Pro Updates:

- Sleek dark casing: An alluring metallic gray all over gives KeyStep Pro an edgy, industrial look.

- Vibrant blue LEDs: In perfect contrast to the metallic casing, bright blue LEDs illuminate your setup.

- Metallic knob caps: Shiny, great-feeling knob caps all round to complement KeyStep Pro Chroma's looks.

- Customizable track colors: Color-coded on the original, users can now choose from a range of colors for their tracks.

- Firmware update: Bug fixes, program change functionality (letting users change presets on the instruments they're controlling), and more (also available for KeyStep Pro users).


- 37 note slim keys, velocity and aftertouch sensitive

- LED above each key for efficient visual feedback

- Four track step sequencer

- 16 step buttons, up to 64 steps per sequence

- Up to 16 notes of polyphony per step

- Melodic sequencer

- Real-Time recording, step recording, step editing

- Pitch, velocity, gate length, time shift and probability for each note

- Scale quantization with user scales

- Polyphonic CV outputs

- Drum sequencer

- 24 part drum sequencer

- Polyrhythm

- Performance-oriented sequencer

- Forward and two random playing modes

- Pattern randomization

- Quantized or unquantized recording

- Looper

- Arpeggiator

- 7 arpeggiator modes, 5 octave range

- Chord mode

- Controller mode

- Use the 5 encoders to send CCs

- Automate the CCs

- Crisp OLED display

- 4x (CV, Gate, Mod) outputs + 8 drum gate outputs

- 1 MIDI in, 2 MIDI out, USB, Clock synchronization

- Metronome with included speaker and line output

- Sustain pedal input

ConditionBrand New (New)
Brand New items are sold by an authorized dealer or original builder and include all original packaging.Learn more
  • Keystep Pro Chroma 37-Key MIDI Controller
Keyboard Action
  • Synth Action
  • MIDI Input
  • MIDI Output

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