ESI Xkey Air 37 – Portable MIDI Controller with Wireless Freedom

The ESI Xkey Air 37 brings a new dimension of portability to mobile musicians and producers. This 37-key master keyboard connects via Bluetooth MIDI and USB-C, offering compatibility with nearly any computer or mobile device. Compact construction allows you to capture creative ideas anywhere inspiration appears. As a reliable choice for expressive control on the move, the Xkey Air 37 stands out.

Ultra-Thin, Advanced Control – Unique Features

What distinguishes the Xkey Air 37 is its ultra-slim form and high-level playability. An anodized aluminum chassis delivers both durability and a refined look. Polyphonic aftertouch, a feature rarely found in portable controllers, opens advanced expressive options. Wireless Bluetooth MIDI with a built-in rechargeable battery enables cable-free operation with minimal latency.

Performance-Driven Hardware for Mobile Setups

When performance and production happen on the go, precision is essential. Hardware features on the Xkey Air 37 fit both studio and live needs:

• With 37 full-size, velocity-sensitive keys, this model preserves a piano-like feel despite its slim profile.
• Aftertouch: Polyphonic — assign detailed modulation or effects per key, supporting modern synths and expressive software instruments.
• Construction: Anodized aluminum — engineered for lightweight transport and daily durability.

Flexible Connectivity and Control

Adaptable for any rig, the Xkey Air 37 handles evolving workflow requirements:

• Connection: Bluetooth MIDI and USB-C — easily works with Mac, PC, iPad/iPhone (camera connection kit), and Android devices.
• Pressure-sensitive smart buttons (pitch bend, modulation, sustain, octave +/-) respond dynamically for real-time expressive control.
• Pedal Support: Optional Xcable — adds DIN MIDI out and 6.3 mm jacks for expression and sustain pedals.

Studio-Ready Software and Mobile Power

Bundled DAW and editor software accelerate music creation from the start:

• Bundled Software: Bitwig Studio 8-Track, Steinberg Cubasis LE, WaveLab LE — immediate recording and editing across multiple platforms.
• With an integrated rechargeable battery, hours of wireless use and fast USB charging are possible.
• Dimensions: 553 x 135 x 16 mm; weight ~890 g — extremely portable for a 37-key instrument.