Specifications

The ESI Xkey 37 Air takes portable MIDI keyboard controllers to the next level with its advanced wireless Bluetooth connectivity and its extended range of 37 full-sized keys. Designed for musicians, producers, and performers who need a lightweight, portable, and wireless MIDI controller, the Xkey 37 Air provides enhanced flexibility while delivering a professional-level performance. Whether you're working in the studio, performing live on stage, or composing on the go, this keyboard is the perfect solution for creative freedom and expressive play.

Overview

The ESI Xkey 37 Air is part of the Xkey family, known for its ultra-slim design, lightweight construction, and full-size keys with velocity sensitivity and polyphonic aftertouch. The Xkey 37 Air offers 12 additional keys over its 25-key counterpart, giving you more range and versatility while still maintaining its compact, portable form factor. It features a sleek and durable anodized aluminum body, and its keys are designed to respond to even the lightest touch, making it ideal for nuanced and expressive performances.

In addition to Bluetooth connectivity, the Xkey 37 Air can also be used in wired mode via USB. Its plug-and-play functionality ensures compatibility with all major digital audio workstations (DAWs) and MIDI devices. This makes it an excellent choice for producers, DJs, and live performers who need a versatile, compact controller without sacrificing playability or performance quality.

Key Features

The Xkey 37 Air is packed with innovative features to meet the demands of professional musicians and creators:

• Wireless Bluetooth Connectivity: The Xkey 37 Air connects wirelessly via Bluetooth to your Mac, iPad, iPhone, Android, or Windows device, offering a clutter-free workspace and maximum mobility.
• 37 Full-Sized Keys: The keyboard offers 37 full-sized, velocity-sensitive keys with polyphonic aftertouch, giving you plenty of range for complex compositions and expressive performances.
• Ultra-Thin and Lightweight Design: The Xkey 37 Air is designed to be incredibly portable, measuring only 16mm in thickness and weighing less than 1kg. It fits easily into any backpack or laptop bag, making it perfect for mobile musicians.
• Durable Anodized Aluminum Construction: Built from high-quality anodized aluminum, the Xkey 37 Air is both lightweight and durable, ensuring it can withstand the rigors of life on the road.
• Polyphonic Aftertouch: Each key on the Xkey 37 Air responds to pressure, enabling more expressive performances with control over individual notes. This makes it ideal for controlling synth parameters or creating dynamic soundscapes.
• Modulation, Pitch Bend, and Sustain Buttons: The Xkey 37 Air features dedicated buttons for pitch bend, modulation, and sustain, giving you greater control over your sound in real-time.
• Battery-Powered Wireless Performance: With a built-in rechargeable battery, the Xkey 37 Air offers hours of wireless performance, and it can be easily recharged via USB.
• Customizable with Xkey Plus Software: The Xkey 37 Air is fully customizable via the free Xkey Plus software, allowing you to adjust velocity curves, key sensitivity, and assign functions to the control buttons according to your preferences.

Perfect for Musicians on the Go

The ESI Xkey 37 Air is designed with portability and flexibility in mind. Its sleek, ultra-slim profile makes it incredibly easy to carry, while the wireless Bluetooth connectivity ensures that you can set up and start playing without any messy cables. Whether you're composing in a hotel room, performing live on stage, or practicing at home, the Xkey 37 Air gives you the freedom to play wherever and whenever you want.

Despite its compact size, the Xkey 37 Air offers a full range of 37 keys, providing you with more room for complex compositions and arrangements. The keys are full-sized and velocity-sensitive, allowing you to capture every nuance of your playing. Additionally, the polyphonic aftertouch feature lets you apply pressure to individual keys, adding depth and expression to your performance.

Wireless Connectivity for Maximum Mobility

The wireless Bluetooth connectivity of the Xkey 37 Air sets it apart from other portable MIDI controllers. This feature is perfect for musicians who need the flexibility to create without being tied down by cables. The Bluetooth connection is reliable and easy to set up, allowing you to connect to your devices quickly and efficiently.

Whether you're using a laptop, tablet, or smartphone, the Xkey 37 Air works seamlessly with all major DAWs and music production apps. It’s compatible with iOS, macOS, Windows, and Android devices, making it incredibly versatile for any setup. If you prefer a wired connection, the Xkey 37 Air can also be used with a USB cable for traditional MIDI operation.

Extended Playability

The Xkey 37 Air offers 37 full-sized keys, which provides more room for creative expression than its smaller 25-key sibling. This additional range makes it easier to play two-handed parts, explore larger compositions, and access more octaves without the need for constant octave shifting. The keys are highly responsive, with velocity sensitivity and polyphonic aftertouch, allowing for precise control over dynamics and articulation.

Whether you're a keyboardist, producer, or electronic musician, the Xkey 37 Air's combination of portability and full-size keys ensures that you don't have to compromise on playability when you're working on the go. The keys are designed to provide a tactile, responsive feel, making them suitable for everything from delicate piano parts to fast synth leads.

Intuitive Controls for Real-Time Performance

The Xkey 37 Air is equipped with dedicated buttons for modulation, pitch bend, and sustain, giving you more control over your sound in real time. These buttons are conveniently located on the side of the keyboard for easy access during performance, allowing you to make adjustments on the fly without interrupting your playing.

The modulation and pitch bend buttons can be used to add expression and variation to your performance, while the sustain button provides the traditional sustain pedal effect. These controls make the Xkey 37 Air ideal for live performances, where you need quick access to real-time adjustments.

Customizable Performance

The Xkey 37 Air is fully customizable using the Xkey Plus software, which allows you to fine-tune the keyboard to your personal preferences. You can adjust the velocity curves, change the sensitivity of the keys, and assign different functions to the control buttons. This level of customization makes the Xkey 37 Air suitable for a wide range of playing styles, from delicate pianissimo to full-on fortissimo.

With the Xkey Plus software, you can also update the firmware of the keyboard to ensure that it’s always running the latest features and improvements. This ensures that your Xkey 37 Air remains up to date with the latest technology and features.

Durable, Portable, and Stylish

In addition to its powerful performance features, the Xkey 37 Air is built to last. Its anodized aluminum body is both lightweight and durable, ensuring that it can withstand the rigors of travel and live performance. The slim design makes it easy to transport, while the stylish aluminum finish adds a touch of professionalism to your setup.

Weighing in at just under 900g, the Xkey 37 Air is one of the most portable MIDI controllers on the market, making it ideal for musicians who need a high-quality, reliable controller that they can take with them anywhere. Its sleek design and premium construction ensure that it looks as good as it performs, whether you’re using it in the studio or on stage.

Conclusion

The ESI Xkey 37 Air is a powerful and portable MIDI keyboard controller that offers professional-level features in a lightweight, compact package. With its wireless Bluetooth connectivity, 37 full-sized keys, polyphonic aftertouch, and customizable controls, it’s the perfect solution for musicians who need a versatile and expressive controller that can go wherever they go. Whether you’re composing, producing, or performing, the Xkey 37 Air gives you the freedom to create music on your terms.