KeyStep Pro Firmware V2.0

KeyStep Pro’s performance, production, and pure musical creation abilities continue to grow with every free update, bringing yet more precise refinements and much-requested features to our universal sequencing mastermind.

Download now

What’s new?

  • Global transpose - Transpose multiple melodic tracks at the same time
  • Global value offset - Apply a relative offset for any of the 5 main controls for every step across the selected track pattern
  • Arpeggios in sequences - You can now record arpeggios into a sequence
  • Arpeggio swing - You can now add swing amount to arpeggios using Shift
  • Arpeggios while stopped - You can now create and play arpeggios while KeyStep Pro isn’t playing
  • Recording Chord Mode - You can now record Chord Mode chords into a sequence
  • Step Listen - Trigger sequence steps without playing a sequence so you can preview your notes
  • Workflow and UX - various workflow improvements to performance, functionality, and ease of use
  • Mono Mode - The sequencer Mono Mode has been refactored for a smoother experience
  • MIDI Thru - MIDI Out 2 can now be set to Thru mode

An all-in-one sequencing solution

Take full control of your modular rigs, outboard synths, and software studio all at the same time.

4 independent polyphonic sequencer tracks

24-part integrated drum sequencer

intuitive controls that make even complex performances a breeze

unparalleled connectivity

If you prefer keys to pads, you’re in for a treat. KeyStep Pro features a great-feeling 3 octave keyboard with velocity sensitivity and aftertouch. Letting you fully articulate your musical ideas, this expressive little sequencer truly puts the power at your fingertips.

KeyStep Pro works the way you want it to, and removes the barriers between you and the music you want to create.

Powerful performance controls

Our sequencers can be seen all over the world, and are loved by top artists, studios, and amateur producers alike. KeyStep Pro makes gigging easy and fun, with instant and intuitive access to inspiring performance features. Multi-mode arpeggiator, randomness, easy chord mode, and real-time recording for creating on the fly. The crisp OLED displays and LED-illuminated controls will help you see it all in the dark, too!


4 independent sequencers, controlling whatever synth, module, or drum machine you want.


16 patterns per track. Each sequencer pattern can be up to 64 steps long, and contain 16 notes per step.


Link up to 16 patterns together to create whole songs or sections of your set.


Snapshots of all the sequences within a pattern, letting you instantly switch between sets of sequences.


Everything in one place. Load, duplicate, tweak, edit, and save for later in its onboard memory.

Unite your gear

Your ever-growing collection of boutique modular gear, vintage synths, and software instruments can finally perform in unison, thanks to the jaw-dropping connectivity KeyStep Pro has to offer. 4 CV, Gate and Mod outputs, 8 dedicated drum Gate outputs, Clocks, MIDI in, 2 MIDI outs, a solo metronome output, sustain input to let you get expressive with your performance, and USB for easy power and DAW/softsynth control.

Press Clipping

"The keyboard controller offers a compact 4-track sequencer with numerous extras and can manage complete live performances as a control center. KeyStep Pro shows its strengths especially in combination with Eurorack modules and other analog synthesizers. Four voices each with CV/gate/mod and eight trigger outputs for drums and percussion leave nothing to be desired. But also in the computer-based studio the controller promotes creativity with direct access and well thought-out functionality."
"Arturia's KeyStep Pro is a near-perfect MIDI controller for hardware synths The playability of the KeyStep and sequencing power of the BeatStep Pro in one affordable package."
"For melodic sequencing duties and flexible hardware control, this is one of the best devices on the market."
Future Music
"It does everything you'd want it to, in an accessible way. We have an enormously enjoyable time with KeyStep Pro."
Music Tech
"KeyStep Pro is a first-class fusion of MIDI controller and step sequencer together with a hardware connection that meets professional demands. The direct access to the four-track sequencer, looper and arpeggiator not only promotes creativity, but also benefits the workflow and eliminates tedious mouse movements on the computer. The price-performance ratio is absolutely reasonable, especially with regard to the connectivity compared to competitors in this price range."

Control hardware, software,
and your DAW at the same time

If you prefer to create music “in the box”, KeyStep Pro can also help your creativity come alive. Easily sequence and arpeggiate your virtual instruments, sync it with your software studio, and switch to the dedicated Control mode to control parameters in your favorite synths and effects. The possibilities are limitless.


Artists Corner

The Keystep Pro is hands down the most intuitive and inspirational sequencer I've ever used. Arturia have managed to pack an incredible amount of powerful features into a compact device that's a joy to use.
( Producer / Musician )
Rob Lewis

Artists Corner

Within 10 minutes of opening the KeyStep Pro, all my equipment is working together, and the horizons of creativity have expanded in a way I didn’t think possible.
Rob Lewis
( Composer )
Henry Durham

Artists Corner

You can get as specific as you want with the timings, without ever having to hit pause. I feel like I’m finally free from the piano roll! My workflow has never felt better. The BeatStep Pro was a game changer for me and Arturia have done it again here.
Henry Durham
( Producer Chris Brown/Bree Runway/Steve Aoki )

Box contents

  • KeyStep Pro unit
  • Registration card
  • Quick Start
  • USB cable
  • Power supply

Size & weight

  • Instrument size : 23.2 x 8.2 x 1.5 inches (589 x 208 x 38mm)
  • Instrument weight : 5.9 lbs. (2.7 Kg)

Main Features

  • 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