The Arturia KeyStep 37 mk2 MIDI keyboard is a controller and sequencer with 37 Slim keys, velocity sensitivity and aftertouch. The polyphonic step sequencer supports up to 64 steps and 8 voices, while the arpeggiator offers 16 modes and creative patterns. The Mutate, Spice and Dice tools modify patterns in real time.

The two capacitive touch strips control pitch bend and modulation, while Chord and Scale modes make harmonic exploration easier. The OLED display, clickable rotary encoder and RGB LED indicators provide visual feedback. It connects to a computer and iPad via USB-C, and to external equipment via MIDI, CV/Gate and Sync.

• Type: MIDI keyboard and controller with sequencer
• Keys: 37 Slim keys with velocity sensitivity and aftertouch
• Sequencer: Polyphonic, up to 64 steps and 8 voices
• Arpeggiator: 16 modes with creative patterns
• Sequence tools: Mutate, Spice and Dice
• Touch strips: 2 capacitive strips for pitch bend and modulation
• Modes: Chord and Scale
• Display: OLED with RGB LED indicators
• Controls: 4 rotary encoders and Control button
• MIDI CC control: MIDI CC button, 4 banks and 16 assignable MIDI CCs
• USB connectivity: USB-C MIDI with bus power and iPad compatibility
• MIDI connections: Full-size DIN MIDI input and output
• CV/Gate outputs: 4, for Pitch, Gate, Mod 1 and Mod 2
• Sync connections: 3.5 mm Sync input and output
• Pedal input: For a sustain or expression pedal, TRS
• Colour: Black
• Dimensions: 547 × 148 × 43 mm
• Weight: 1.09 kg
• Software: Analog Lab Intro with more than 500 sounds and Ableton Live Lite
• Package contents: USB-A to USB-C cable