Arturia KeyStep 37 mk2 specs

A 37-key controller built for sequencing rather than playing: a polyphonic step sequencer of up to 64 steps with 8-voice polyphony, plus a 16-mode arpeggiator. There are no pads at all - just four encoders and two touch strips - and the whole thing weighs 1.09 kg.

Best for:sound designmobile setupsequencing hardware

Brand: Arturia

7.9/ 10
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A 64-step, 8-voice polyphonic sequencer and aftertouched Slimkey keys at 1.09 kg - no pads by design.

#11 of 25 MIDI controllers · full ranking
Statuscurrent
Keys37
Key action37-note Slimkey keyboard with velocity & aftertouch
Aftertouch("37 expressive keys with velocity & aftertouch"); type channel/poly unspecified
Pads / fadersNo pads; 4 encoders and 2 touch strips
Sounds / presets500
SequencerPolyphonic step sequencer: up to 64 steps, 8-voice polyphony; 16-mode arpeggiator
Weight1.09 kg

Manuals & documentation

Official manufacturer downloads
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Strengths

  • 64-step polyphonic sequencer with 8-voice polyphony
  • 16-mode arpeggiator
  • 37 Slimkey keys with velocity
  • 1.09 kg and USB powered

Weaknesses

  • No pads and no faders
  • Slimkeys rather than full-size keys
  • Aftertouch is claimed but its type is undocumented

Compare the Arturia KeyStep 37 mk2 with

Spec source: www.arturia.com — verified 2026-10-11

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