Arturia KeyStep 37 - 37-Key Controller Sequencer

The Arturia KeyStep Pro 37 - A Creative Idea Generator

A controller, evolved. KeyStep 37 combines a flexible 37-note keyboard with intuitive sequencing, instant chord generation and creative real-time MIDI controls that let you discover and interact with music like never before.

The Controller That's Built to Inspire

Overcome creative hurdles. Smash artistic barriers. Discover new musical horizons. A powerful tool that seamlessly controls your hardware and software instruments simultaneously. An exploratory device that encourages spontaneous creativity with its musical features. Surrender to the musical journey - where will KeyStep 37 take you?

Connecting Your Musical Ideas

KeyStep 37 goes beyond an easy-to-use sequencer and arpeggiator. It's responsive, dynamic, and expanded in every direction to encourage musical exploration. Record, perform, and experiment with a compact, accessible keybed that’s familiar and enjoyable in equal measure. Unite your hardware and software with deep connectivity, offering seamless control over your setup.

Push the boundaries of your expression with real-time MIDI CC control and LED feedback. Unlock undiscovered creative potential with the inspiring and unique Chord and Scale functions. KeyStep 37 isn’t just a keyboard controller - it’s your new source of inspiration.

More is More

The same velocity-sensitive 37-note keybed as the KeyStep Pro, complete with aftertouch and RGB LED feedback. A lightweight and compact keyboard that offers full and familiar creative flexibility, whatever your style or ability. At the center of KeyStep 37’s interface we’ve added 4 new control knobs with a screen, giving you instant access to inspiring new expressive tools and MIDI tweaking - total control.

A Keyboard Fit for a Pro

The accessible KeyStep formula, expanded. Take a premium 37-note slim-key keyboard; velocity-sensitive slim-keys with aftertouch, colour-coded LED feedback on triggered notes, 3 octaves of musical legroom in a compact form factor. Add a wealth of creative chord, scale and MIDI functions and an expanded interface with tactile new controls. The result? Our most inspiring controller yet.

SPECIFICATIONS

General Features

• Slimkey keybed with velocity and aftertouch
• RGB LEDs on each key for instant feedback on your sequence, arp, scale
• Arpeggiator mode: Up, Down, Inclusive, Exclusive, Random, Walk, Pattern and Order
• Sequencer mode: 8 polyphonic step-sequences with Rest, Tie, and Legato note entry
• Rate control and tap tempo: REC, PLAY, and STOP buttons for performance control over the sequencer and arpeggiator
• Sustain HOLD button
• Sustain pedal jack
• Advanced Chord mode with pre-defined or user Chords and strumming capability
• SHIFT button selection: MIDI Channel selection, Gate length, Swing, Sequence Edit, Scale quantization, CC Bank selection
• DC power jack for standalone operation
• USB MIDI and MIDI in/out ports
• Sync I/O ports
• Sync source switch: Internal, USB, MIDI, Clock
• CV/Gate outputs with configurable pitch, gate and Modulation formats.
• Capacitive pitch bend and mod wheel strips
• Each sequence can have 64 steps with 8 notes of polyphony

Size and Weight

• Instrument size: 550 x 147 x 35mm (21.7 x 5.78 x 1.38")
• Instrument weight: 1.6kg (3.5lbs)

Box Contents

• KeyStep 37 Pro Unit
• Anti-ground loop adapter
• USB Cable

We are Chuck Levin's Washington Music Center

Since 1958, Chuck Levin’s Washington Music Center has been the trusted destination for musicians and audio professionals across Maryland, Virginia, and Washington, D.C. Family-owned and operated, our legendary music store delivers Everything in Music®—from instruments and recording gear to pro audio, rentals, and repair services.

Our team of musicians and industry experts lives and breathes gear, helping you build the perfect setup for your next performance, studio session, or installation. As an authorized dealer for top brands, we also offer our award-winning CHUCKSCLUSIVE line—exclusive, limited-edition instruments and collaborations recognized with the NAMM Top 100 Dealer Innovation Award for redefining what a music retail experience can be.

Chuck Levin’s isn’t just a store—it’s a community built by players, engineers, and creators who share a lifelong passion for sound. Stop by our legendary Wheaton, MD showroom or contact us anytime for expert advice, product questions, or the best possible deal on your next piece of gear.