Arturia |SKU: 430221

Arturia KeyStep 37-Key Controller/Sequencer

Regular price $199.00

Product highlights

  • Slimkey keybed with velocity and aftertouch
  • RGB LEDs on each key for instant feedback
  • Arpeggiator mode and Sequencer mode
  • Rate control and tap tempo
  • Sustain pedal jack
  • Advanced Chord mode with chords and strumming capability
  • DC power jack for standalone operation
  • USB MIDI and MIDI in/out ports
  • Capacitive pitch bend and mod wheel strips
  • Each sequence can have 64 steps with 8 notes of polyphony

In the box

  • Arturia KeyStep 37-Key Controller/Sequencer

Anti-ground Loop Adapter

  • USB Cable

Free standard shipping

*Orders placed before 1 PM EST Mon - Thur will ship the same day. Orders placed beyond these hours will be shipped the next business day. Exclusions apply. See shipping policy

Free Local Pickup

Please call for store stock availability. Requests made before 2:30 PM EST can be available for next-day pickup. Learn more

Questions? We’re Here to Help

Call or email one of our experts.

KeyStep 37 goes beyond an easy-to-use 64-step sequencer, arpeggiator, and MIDI keyboard. It's responsive, dynamic, expanded in every direction to encourage musical exploration - the controller that's built to inspire. The 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.

37-note Slimkey keyboard

With velocity, aftertouch and real-time RGB LED indicators for a comfortable, responsive performance.

Creative Sequencer and Arpeggiator

Sequence up to 64-steps with 8-note polyphony and 8 pattern slots, or explore 8 modes of arpeggiation.

Supercharged Chord Mode

Generate instant chord sequences that respond to your velocity, with 12 chord types and an articulate instrument-like strum control.

Versatile Connectivity

Connect to your computer, your desktop MIDI synths, or your CV and modular gear for simultaneous control over hardware and software.

Scale Mode

Quantize the keyboard and never play a wrong note. Choose from 5 scales, including a user-defined scale, to set your musical terms.

Assignable MIDI CC Controls

Interact with your hardware and software with 16 assignable MIDI CC parameters across 4 switchable banks.

Music Made Interactive

KeyStep 37’s unique and enhanced Chord mode takes your single-note melodies and unfinished ideas and transforms them into musical stepping stones. Choose from multiple voicings, instrument-like strum effects, and velocity settings and make your music sing.

Ableton Live Lite Included

Included is a free copy of Ableton Live Lite, an accessible music-making suite for your Mac or PC. Register KeyStep 37 for your free download and get creative right out the box - let the music flow freely.

Shipping & Returns

  • Same Day Shipping


    All orders placed by 1PM( EST), Monday through Thursday, and by 11AM (EST) on Friday, are shipped same day. Orders placed outside these times will ship the next business day. We do not ship internationally or to Puerto Rico, Guam and other US territories at this time. For more details click here.

  • Free Standard Shipping


    We offer free standard shipping on thousands of items within the continental USA (this does not include Alaska and Hawaii).



  • Easy returns


    If you're not happy with your purchase for any reason, our flexible 30-day free return policy makes it easy to get a full refund. Click here to view our return policy.


Frequently Asked Questions

How do I return an item?

Returns are incredibly simple. Please log into your account, find your item you wish to return and follow the prompts to make a return. If you do not have an account, click here to find your order and make a return.

Will I receive a full refund when I return an item?

You will receive a full refund when you return an item in its original manufacturer’s packaging, undamaged and unmarked. If the item you are returning is priced at less than $35, you will be charged a 15% restocking fee. Please note you will not be refunded any shipping charges.

How many days do I have to make a return?

You have 30 days to make a return. During the holiday season, from November 1 to December 31, we extend the return window to 60 days. 

My item was damaged in transit. How do I place a return?

If your order has been noticeably damaged in transit, we strongly recommend that you refuse delivery and notify us immediately. Claims for missing items or items damaged in transit must be made within 48 hours of delivery. If there is carrier damage, please contact support@focuscamera.com with your order number and a description of the damage. 

There’s an issue with my order, what should I do?

Oh no! Please contact our customer service team so we can resolve the issue immediately. You can call us on 1.800.221.0828, email us at support@focuscamera.com, or send us a message here.

Can I exchange an item?

We do not currently offer exchanges. Please return the item you purchased within 30 days and order what you’d like instead.

If I ordered a kit, do I have to return all the items?

If you ordered a kit, you must return all components and accessories to receive a full refund.

I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?

If you ordered a product that included a free item, you must include the free item with your return. If not, your return will not be accepted and you will not receive a full refund.

Do you offer repairs?

We currently only offer camera repairs at our Brooklyn store. The item must be dropped off and collected in person as we do not accept shipped items for repair. For more information, please call our Brooklyn store on 1.718.431.7900.

What is your return policy?

Most items can be returned within 30 days for a full refund. Click here to read our full return policy.