Arturia KeyStep 37 – Compact MIDI Controller with Sequencer and Polyphonic Aftertouch

The Arturia KeyStep 37 is a versatile 37‑note MIDI controller and sequencer designed for producers and performers seeking expressive playability in a portable form. With velocity‑ and aftertouch‑sensitive slim keys, a 64‑step sequencer, polyphonic arpeggiator, and advanced connectivity including MIDI, CV/Gate, and USB, it’s built to integrate seamlessly into both studio and live setups. Plus, its capacitive‑touch pitchbend and modulation controls add a layer of creative expression not often found in compact controllers.

Key Features

• 37 slim keys: Velocity and aftertouch for expressive playability
• Polyphonic sequencer: 64‑step sequencer with 8‑note polyphony for complex patterns
• Advanced arpeggiator: 8 arpeggiator patterns and single‑note chord memory for creative performance
• Capacitive‑touch controls: Pitchbend and modulation touchstrips for smooth expressive input
• Extensive connectivity: Analog CV/Gate outputs, full‑sized MIDI I/O, USB, and Sync options
• DAW‑ready: Includes Ableton Live Lite for immediate music production

Customer Benefits

The KeyStep 37 bridges the gap between performance controller and sequencing powerhouse. Perfect for live sets, modular rigs, and DAW production, it provides expressive control in a compact, portable design.

Quick Specs

• Keys: 37 slim keys with velocity and aftertouch
• Sequencer: 64‑step polyphonic sequencer with 8‑note polyphony
• Arpeggiator: 8 patterns with chord memory
• Controls: Capacitive‑touch pitchbend and modulation
• Connectivity: CV/Gate outputs, MIDI I/O, USB, Sync input
• Software included: Ableton Live Lite
• Dimensions: 55 x 15 x 3.5 cm
• Weight: 1.6 kg

What’s in the Box

• Arturia KeyStep 37
• USB cable
• Quick start guide
• Ableton Live Lite registration

Use Cases / Ideal For

Perfect for DAW producers, live performers, and modular synth users needing a compact yet expressive controller with sequencing power.

Pros & Cons

✅ Pros:

• Expressive slim‑key design with aftertouch
• Integrated sequencer and arpeggiator for standalone creativity
• Extensive connectivity for studio and modular setups

⚠️ Cons:

• Slim keys may not suit players who prefer full‑size keys
• No onboard screen for sequencing feedback

The Arturia KeyStep 37 combines expressive keys, sequencing power, and advanced connectivity in a portable controller—perfect for modern producers and performers.