Arturia KeyStep mk2

Arturia KeyStep mk2 front small

The original KeyStep became a modern classic by giving musicians a simple, reliable way to bridge modular, hardware, and software instruments. With KeyStep mk2, that formula has evolved in every way that makes sense - becoming more creative, more connected, and more immediate than ever. It introduces Mutate and generative tools, a bright OLED display, and a redesigned sequencer and arpeggiator that make idea generation effortless. KeyStep mk2 is priced at $139 in the USA and 129 € (or $129) in other regions.

Patch into modular, trigger drum machines, and control synths from past and present. With USB-C reliability, DIN MIDI I/O, assignable CV outs, and pedal support, KeyStep mk2 is ready to command any setup - live, in the studio, or on the move.

Arturia KeyStep mk2 rear small

What's New:

  • More creative idea generation: Mutate, Spice/Dice, and real-time transforms for instant variation.
  • Hardware-first control: OLED display + clickable encoder reduces reliance on MIDI Control Center.
  • Better connectivity: USB-C, power switch, and an extra CV out (Mod 2) alongside MIDI DIN, Sync I/O, and pedal input.
  • Upgraded sequencer: 8× more memories, unquantized recording, Bend & Mod automation, Undo, step edit, pattern chaining.
  • Smarter arpeggiator: Classic Arpeggios, Arp Reset to turn arps into phrases, Generative "Arp Pattern" mode provides all sorts of fresh melodies, basslines, chords, using the keys that are pressed.

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