Arturia KeyStep Mk2 packs generative tools and deep sequencing powerArturia has announced the KeyStep mk2, the latest version of its acclaimed compact controller and sequencer, claiming that it’s “more creative, more connected, and more immediate than ever”.
Arriving nearly a decade after the original KeyStep’s debut, the Mk2 takes everything musicians loved about the first generation and expands it with new generative tools, a clearer OLED display, extended connectivity, and a more powerful sequencer and arpeggiator.

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Described by Arturia as the “ultimate compact controller and sequencer for DAWless workflows or hybrid setups”, the KeyStep Mk2 caters to two main users: synth and modular musicians who need keys and connectivity in a compact format, as well as bedroom producers looking for powerful and creative functionality that fits their workspace.
Key features like the 32-note Slimkey keyboard, pitch bend and modulation strips remain, while the all-new Mutate button introduces a dash of unpredictability. With just a single touch, users can instantly transform sequences or arpeggios – from subtle tweaks to bold variations – perfect for getting through those creative blocks or for exploring fresh ideas.
Credit: Arturia
The sequencer has also been significantly upgraded, offering eight times more memory, unquantised recording, Bend & Mod automation, Undo, step editing, and pattern chaining. Meanwhile, the expanded arpeggiator boasts 16 modes, 9 pattern variations, octave control, and a new Arp Length Reset for deeper rhythmic expression.
Musicians can also stay perfectly in key with scale locking, and record or play chords with expressive voicings, as in the high-end KeyLab 3 controller.
On the hardware side, Arturia has modernised the KeyStep’s design with USB-C connectivity, a dedicated power switch, and a clickable encoder that, along with the OLED display, allows for faster parameter access without relying on the MIDI Control Center.
Designed for hardware-first control, the KeyStep Mk2 can patch into modular rigs, trigger drum machines, and sequence synths old and new. With DIN MIDI I/O, assignable CV outs, and pedal support, it’s ready to command virtually any setup – live, in the studio, or on the move.
The Arturia KeyStep Mk2 is priced at $139/€129, and is available now.
Learn more at Arturia.
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