Arturia KeyStep 37 MK2 USB/MIDI Keyboard Controller & Sequencer The Arturia KeyStep 37 MK2 is a compact and versatile USB/MIDI keyboard controller with a powerful built-in step sequencer, arpeggiator, and advanced connectivity for hardware and software setups. Designed for producers, performers, and modular users, it combines expressive playability with creative sequencing tools in a portable format. Why choose the KeyStep 37 MK2? 37-note velocity-sensitive Slimkey keyboard with aftertouch Built-in polyphonic step sequencer and arpeggiator Chord, scale, and Mutate performance modes USB-C MIDI, MIDI DIN, sync I/O, and CV/Gate connectivity Compact design for studio and live performance Expressive performance control The 37-note Slimkey keyboard offers responsive velocity sensitivity and aftertouch for expressive playing in a compact footprint. Integrated pitch and modulation strips provide intuitive real-time control for shaping melodies, synths, and performances. Powerful sequencing tools The KeyStep 37 MK2 combines a polyphonic step sequencer with a versatile 16-mode arpeggiator, enabling fast idea generation and evolving musical patterns. Pattern chaining, overdubbing, octave control, note variation, and automation recording all support fluid creative workflows. Creative Mutate functionality The Mutate feature generates new variations of your sequences in real time, allowing you to quickly explore alternative melodies, rhythms, note lengths, and silences while keeping ideas moving naturally. Hands-on workflow Four dedicated encoders provide immediate control over sequencing, arpeggiator, and Mutate parameters with minimal menu diving. The controls can also be freely assigned to MIDI CC or CV destinations for custom performance setups. Extensive connectivity Designed to integrate seamlessly with modern and vintage gear, the KeyStep 37 MK2 includes USB-C MIDI, MIDI DIN, sync I/O, sustain pedal input, and four configurable CV outputs for modular and analogue synthesizer control. Ideal for Music production and DAW control Modular and analogue synth setups Live electronic performance Sequencing hardware instruments Producers wanting compact creative workflow tools
