ESI Xkey 25 Air Bluetooth MIDI Keyboard Controller

ESI Xkey 25 Air is a Bluetooth MIDI keyboard controller designed for mobile and desktop music production. It enables wireless and wired MIDI input with velocity sensitivity and polyphonic aftertouch for musicians working with software instruments. This makes it ideal for studio, travel, and performance scenarios where compact and cable-free control is critical.

The controller operates via Bluetooth MIDI or USB to transmit MIDI data to compatible devices. Performance input is managed through full-size keys and integrated pressure-sensitive controls that send continuous MIDI information. Configuration and firmware updates are handled through companion software.

This keyboard supports portable setups without external power requirements. Its slim aluminum form factor allows easy transport alongside laptops or tablets. Broad software compatibility enables integration into varied production and learning environments.

Key Features

• 25 Full-Size Keys: Two-octave keyboard with velocity-sensitive response
• Polyphonic Aftertouch: Supports pressure-sensitive control across multiple notes
• Bluetooth MIDI Connectivity: Enables wireless MIDI operation with compatible devices
• Integrated Performance Controls: Includes pitch bend, modulation, octave, and sustain buttons
• USB MIDI Support: Allows wired operation, power, and configuration via USB

Technical Specifications