Arturia KeyStep mk2 is a 32-key controller and polyphonic step sequencer with an OLED display, USB-C, MIDI DIN in/out, 3.5mm sync I/O and four assignable CV outputs (Pitch, Gate, Mod 1, Mod 2) for modular gear.

It fits producers and hybrid performers who want a backpack-size keyboard that speaks USB, MIDI and CV fluently.

Free shipping Free local pickup in Miami Financing at checkout

At a Glance

I/O and Connectivity

Key Features

• Four CV outputs: the added Mod 2 output gives modular users two assignable modulation lanes
• Generative sequencing: Mutate and phrase tools evolve patterns live
• USB-C and power switch: modern connectivity upgrades over the first generation
• MIDI In to CV: play your modular from an external MIDI keyboard through KeyStep

Frequently Asked Questions

What is new versus the original KeyStep?
USB-C, a power switch, an OLED display with encoder, a second assignable CV Mod output and an upgraded sequencer with mutation tools.

How many CV outputs does it have?
Four: Pitch, Gate, Mod 1 and Mod 2. The Mod outputs are assignable to velocity, aftertouch, mod strip, random or pulse.

Does it have full-size MIDI ports?
Yes. 5-pin MIDI DIN in and out, plus 3.5mm sync I/O for pre-MIDI gear.

Can I use an expression pedal?
Yes. The TRS pedal input accepts a sustain footswitch or expression pedal.

Need help choosing?
Victory Musical Instruments can help compare models and configurations for your setup.