CME Xkey 37 MIDI Mobile Keyboard | MaxStrata®
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CME Xkey 37 MIDI Mobile Keyboard | MaxStrata®


CME Xkey 37 MIDI Mobile Keyboard | MaxStrata®

$ 239.00 USD $ 299.00 USD

One more octave than the CME Xkey 25 MIDI Mobile Keyboard.
Same beautiful design… but longer.
Enough room for two-handed playing. Portability meets functionality. Awesome!

Real Keys

37 full size keys. Shut your eyes and you’ll think you’re playing a regular piano.

Lightweight and tough. Xkey is the perfect traveling companion.
New Xcable

The Xport connector now gives you access to MIDI OUT, sustain & expression pedal inputs. With just one cable!

Slim Design

Main aluminium body is only 3.9mm high. That’s 36% less than the new iPad Air!

Aluminum Case

Robust, high quality construction. Looks great. Same finish as a MacBook.

100% MIDI

Use Xkey with your favorite music apps on your favorite devices. Works out of the box.

Polyphonic Aftertouch

Your pressure on the keys controls the effect individually. Professional studio standard feature.


Download the free Xkey Plus application. Configure your keyboard how you like it.

Velocity Sensitive

Play loud with one hand, soft with the other. There’s 128 levels of sensitivity.

USB Powered

No battery needed. The Xkey is powered and upgradable via a single USB cable (provided).

Regular Updates

Benefit from upcoming new features. Upgrade your Xkey online!

Smart Buttons

Octave Change, Pitch Bend, Modulation, and Sustain function buttons.


  • 37 full-size keys (3 octaves).
  • 100% MIDI compliant.
  • Velocity sensitive.
  • Polyphonic aftertouch.
  • Pressure sensitive Pitch bend and Modulation buttons, with continuous MIDI control data.
  • Octave +/- push buttons.
  • Sustain button.
  • USB Powered (no external power supply needed).
  • Firmware upgradable via USB.
  • Configurable via Xkey Plus free app for iOS, Mac OSX, and Windows.


  • Micro USB connector (cable provided).
  • Activity indicator LED.
  • Xport connector (proprietary Xcable provided) 
    • MIDI OUT (DIN-5 through Xcable).
    • Sustain Pedal input (6.35mm (1/4″) jack through Xcable).
    • Expression Pedal input (6.35mm (1/4″) jack through Xcable).


  • Width: 553 mm (21.77 in)
  • Height: 135 mm (5.31 in)
  • Depth: 16 mm (0.62 in)
  • Weight: only 880 g (1.94 lb) – 20% lighter than a 11-inch MacBook Air!

Power consumption:

  • ~ 125mW / 25mA
  • Xkey37 (37 keys) 
  • Xcable (with MIDI OUT, expression and sustain pedals inputs)
  • Micro USB cable
  • User Manual
  • 2-year Warranty

Manufacturer: CME

MaxStrata Promise  

At MaxStrata, we strive to provide the best customer service possible to ensure the utmost satisfaction for our customers. We work hard to promote our promise by offering Express Shipping anywhere around the world, a full 30-day money back guarantee*, and a one-year limited manufacturer's warranty for products**.

Express Shipping

Through MaxStrata, we strive to make innovative products available to everyone, anywhere, at a low cost. To fulfill our promise, we provide Free Express Shipping and Returns* in the contiguous United States and Low-cost Express Air Shipping for our Hawaii, Alaska, and International customers. By instilling the MaxStrata Promise into our shipping practices, we are ensuring that you receive the quickest delivery time at the lowest price possible.

Full Refund*

Change your mind about your purchase? No Problem! At MaxStrata, we ensure our customers a 30-day return period for any new and unused product* for a full refund.

Product Warranty**

By completing your purchase at MaxStrata, you guarantee yourself a one-year limited manufacturer's warranty on your product that will cover manufacturer defects not caused by the customer.

*  For customers living in Hawaii, Alaska, and outside of the United States, the customer will be responsible for paying for the shipping costs for returning the item back to MaxStrata within 30 days of delivery.

** OEM Lamps are excluded from the one-year limited manufacturer's warranty. OEM Lamps carry a 90-day warranty from the manufacturer.  


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