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Product information

The ultimate all-round sequencer
KeyStep Pro continues to be an essential part of production and performance setups around the world. KeyStep Pro can be used to control complex hardware setups, complete DAW setups, modular racks and much more. KeyStep Pro offers a performance-friendly workflow, comprehensive midi and CV connections, polyphonic sequences and a variety of creative and musical features.


Modern, customizable look
Do you want your controllers to stand out with a sleek, futuristic touch? The KeyStep Pro Chroma brings a dark sci-fi look to the original design with an electrifying dark gray exterior casing, pot caps, bright blue LEDs and customizable track colors.


Advanced sequencing, arpeggiating and looping
Create complex polyphonic sequences, spontaneous arpeggios and precise musical loops in seconds - all in the familiar form of a compact keyboard controller. Whether hardware or software, KeyStep Pro makes sequencing an experience.


Performance oriented
Enjoy a sequencer that's intuitive, simple and expressive. Switch between tracks in seconds, configure each track to create sequences or arpeggios in real time, save and recall groups of sequences, and tap the looper for breaks, fills and glitches to add variety and randomness.


Connectivity at the highest level
Connect and control every part of your setup, from eurorack modules to VST instruments, in complete sync. Use 4 x CV, gate and mod outputs, 8 dedicated drum gate outputs, clock in/out, midi in/out and more - everything you'll ever need.

  • LED above each key for efficient visual feedback
  • 4-track performance-oriented step sequencer
  • 16 step buttons, up to 64 steps per Sequenz
  • Up to 16-voice polyphony per step
  • Real-time recording, step recording, step editing
  • Pitch, Velocity, gate length, Time Offset and Probability for each note
  • Scale quantization with custom scales
  • 24-voice polyrhythmic drum sequencer
  • Forward and two random playback modes
  • Pattern randomness
  • Quantized and unquantized recordings
  • looper
  • Arpeggiator with 7 modes, 5 octave range
  • Chord mode
  • controllers mode
  • 5 encoders or automation
  • metronome with built-in loudspeaker and line output

  • • Special version in dark gray with blue LEDs, elegant potentiometers and customizable track colors
  • Connections: 4 x CV, gate, mod outputs + 8 drum gate outputs, 1x midi in, 2x midi out, USB, clock synchronization, sustain pedal input
  • Dimensions (WxHxD): 589x209x38mm
  • Display: OLED display
  • Including: ARTURIA midi Control Center, ARTURIA Analog Lab Intro, ABTON Live Lite, mains adapter, USB cable
  • Keyboard type: Slimkey keyboard with velocity and aftertouch
  • Keys: 37
  • Number of encoders: 3
  • Number of knobs: 5
  • Pitch bender / modulation: Pitch bend and modulation (touchstrips)
  • Power supply: Mains adapter
  • USB: Yes
  • Weight: 2.7kg
About Arturia

Arturia was founded in Grenoble, France, in 1999 and initially made a name for itself with software emulations of legendary Vintage synthesizers. In conjunction with specially adapted controller keyboards, Arturia created an excellent integration of software and hardware - the V Collection software suite has been the industry standard for virtual synthesizers for years.

A few years ago, Arturia scored a surprise coup with the analogue Brute product line and has been at the forefront of the analogue synthesizer revival movement ever since. With BeatStep Pro, a bestseller in the sequencer/pad controller catagory was added in 2015. Ever since the flagship synth MatrixBrute and the drum machine DrumBrute, Arturia has stood for flexible and powerful instruments with their own unique sound and absolutely intuitive operation.

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