Arturia releases the _KeyStep mk2 Controller & Sequencer

KeyStep mk2 builds upon the original with new generative tools like Mutate, a clearer OLED interface, extended connectivity, a more powerful sequencer and arpeggiator and a refreshed design.

Step into your next idea

KeyStep mk2 is the ultimate compact controller & sequencer for DAWless workflows or hybrid setups. It keeps the core essence of the range - powerful, playful & connectivity-first - while evolving it in ways that matter most.

It serves as a catalyst for creative ideas, uniting generative tools, intuitive control, and performance-ready sequencing in a modern design.

KeyStep mk2 is a one-of-a-kind ideas machine with no computer or software required to unlock its full creative potential.

Designed for two main users:Synth & Modular Musicians needing keys and connectivity in a compact controller.
Bedroom Producers wanting powerful and creative functionality that fits their workspace.

When you “need keys,” the focus isn’t on the keys themselves — KeyStep enhances another product. It’s the bridge that keeps your setup tight, connected, and creative.

_Features

_32-key slim keybed with velocity and aftertouch

Comfortable and compact, with expressive control.
_Built-in OLED screen and clickable encoder

All editing now directly accessible from the hardware.
_CV/Gate, MIDI In/Out, USB-C, Sync I/O

Full compatibility with modular, DAW, and hardware synth environments.
_Sequencer with pattern chaining and unquantized recording

From live feel to locked grooves, edit or evolve your ideas.
_Arpeggiator with 16 modes and generative pattern engine

Melodic tools for inspiration beyond classic arp types.
_Mutate, Spice, Phrase Arpeggiator

Transform sequences instantly without stopping the music.
_Scale and Chord Modes

Stay musical, create harmonies, or keep it experimental.

_Hardware Details

_Back Panel

Power switch (New)
USB-C (New)
MIDI In & Out
Sync I/O
Pedal input
CV Pitch, Gate, Mod 1, Mod 2
Kensington lock

_Front Panel

32 slim keys (velocity + aftertouch)
Pitch bend + mod strips
Mode buttons: Off, Seq, Arp
Mutate button
Screen + clickable encoder
Tap Tempo + Transport
RGB LEDs

_What’s New

_Mutate Function

One-touch phrase mutation & generation for endless inspiration. Instantly reshape your sequence or arpeggio with melodic and rhythmic variation for fresh, unpredictable ideas.

_Expanded Arpeggiator Options

Now with 16 modes, 9 pattern variations, Arp Length Reset, octave control, and time division — for deeper rhythmic and melodic control.

_Enhanced Sequencer Workflow

Supports real-time or unquantized recording, step editing, pattern chaining, and live transformations — more flexibility, more flow.

_Scale & Chord Modes

Stay in key with scale locking, and record/play chords with expressive voicings like in KeyLab 3.

_Sequence Arpeggiator

Turn any pre-recorded sequence into a real-time arpeggio pattern that follows your played notes.

_Seq/Arp Transformation Tools

New sliders and functions let you adjust gate length, add randomness (Spice & Dice), transpose, double patterns, and more — all in real time.

For more information please visit: https://www.arturia.com/









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