Matt's Gearspace

Controller Keyboards

Arturia KeyStep Pro ChromavsArturia MicroLab mk3

Summary

Arturia KeyStep Pro Chroma and Arturia MicroLab mk3: 2 Arturia controller keyboards compared side by side. They differ on 13 of 21 compared specifications.

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2 items

Arturia

KeyStep Pro Chroma
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Arturia

MicroLab mk3
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General
ManufacturerArturiaArturia
StatusCurrentCurrent
Released20242025
Keyboard
Keys3725
Key sizeSlimSlim
Key actionSynth-actionSynth-action
AftertouchChannelNone
KeybedArturia slim keys with aftertouchArturia slim keys
Controls
Pads00
Faders00
Knobs / encoders50
DisplayOLEDNone
Pitch / modTouch stripsTouch strips
Connectivity
USBUSB-BUSB-C
MIDI portsDIN out, DIN in—
CV / Gate outYesNo
Bluetooth MIDINoNo
Pedal inputsSustainSustain
USB bus poweredNoYes
Features & software
FeaturesArpeggiator, Sequencer, Chord mode, Scale mode, Sync in/outChord mode
Bundled softwareAnalog Lab Intro, Ableton Live LiteAnalog Lab Intro, Ableton Live Lite
Size & weight
ColoursBlackWhite
Dimensions (W × D × H)589 × 208 × 38 mm406 × 125 × 39 mm
Weight2.7 kg0.62 kg

Key differences

  • Keys: KeyStep Pro Chroma – 37 MicroLab mk3 – 25
  • Aftertouch: KeyStep Pro Chroma – Channel MicroLab mk3 – None
  • Released: KeyStep Pro Chroma – 2024 MicroLab mk3 – 2025
  • Keybed: KeyStep Pro Chroma – Arturia slim keys with aftertouch MicroLab mk3 – Arturia slim keys
  • Knobs / encoders: KeyStep Pro Chroma – 5 MicroLab mk3 – 0
  • Display: KeyStep Pro Chroma – OLED MicroLab mk3 – None

Both are the same on key action (Synth-action) and pads (0).