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Compact 32-note slim-key MIDI controller with polyphonic sequencer controls

Arturia

Arturia KeyStep 32-Note Slimkey Keyboard Controller

SKU CH-4D0N-QT0VR

A 32-note slim-key keyboard controller with velocity-sensitive keys, aftertouch and a built-in polyphonic step sequencer offering eight programmable memories

  • 32-note slim keybed balances portability with expressive playability
  • Velocity sensitivity and aftertouch capture dynamic performance detail
  • Built-in polyphonic step sequencer expands creative possibilities
  • Eight programmable memories store sequences for instant recall
  • Adjustable gate times and swing settings shape rhythmic feel

Portable 32-Note Controller

The Arturia KeyStep is a 32-note slim-key keyboard controller that combines a velocity-sensitive keybed with aftertouch and a built-in polyphonic step sequencer. It is designed for musicians and producers who need a compact, expressive instrument for stage or studio use. The controller connects via USB MIDI and provides hands-on control over both analog and digital sound modules.

Sequencer and Connectivity

The integrated polyphonic step sequencer offers eight programmable memories that are selectable by a single knob, allowing instant recall of patterns during performance. Adjustable gate times and swing settings let you shape the rhythmic feel of sequences without menu diving. USB MIDI, CV/Gate, and Sync ports enable direct communication with modular synths, drum machines, and computer-based DAWs from one device.

Slim-Key Keybed

The custom slim-key keybed sits between mini and full-size dimensions, providing a playable surface that fits in a backpack while retaining velocity sensitivity and aftertouch expression. This keybed is the deciding factor for players who find mini keys cramped but cannot accommodate a standard 32-note keyboard in their setup.

How it compares

Measured against everything we stock in Master Keyboards & Controllers, at today’s prices. Recalculated every night.

Price $102.99
Cheaper than about 84% of the 43 comparable items (median $207.99).

Specifications

No published specifications for this item yet.

Questions about this item

Will the slim keybed need any mechanical maintenance over time?

The custom slim keybed uses velocity-sensitive keys with aftertouch; no user-serviceable mechanical parts are described, so routine cleaning is the only expected upkeep.

What limits the length of a sequence when the step sequencer runs continuously?

The polyphonic step sequencer stores up to 8 programmable memories, and each memory holds a fixed number of steps, so sequence length is capped by that internal step count.

Does the controller generate noticeable heat or fan noise when left on all day?

The unit has no internal fan and draws power over USB, so it runs silently and stays cool during extended sessions.

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