ESI Xkey 25 USB MIDI Controller

ESI Xkey 25 is an ultra-slim 25-key USB MIDI controller designed for mobile music production, home studios, on-the-go arranging, and controlling software instruments. Its full-size keys maintain the width of traditional piano keys, while velocity sensitivity and polyphonic aftertouch convey performance dynamics to software instruments with greater expressiveness.

Its aluminum body, mere 16 mm thickness, and USB bus-powered design make the Xkey 25 convenient for carrying in a bag. It connects to Mac, Windows, and compatible mobile devices via USB-C; it works with MIDI-supporting DAWs, virtual synthesizers, notation, and educational software. Pitch bend, modulation, sustain, and octave buttons provide additional pressure-sensitive control.

Why buy it? The Xkey 25 is a controller that takes up little space, provides the feel of full-size keys, and offers professional features like polyphonic aftertouch in a portable format. It is a practical choice for beatmakers, producers, composers, and mobile studio users.

Technical specifications

• Number of keys: 25 full-size keys, 2 octaves
• Key sensitivity: velocity-sensitive
• Aftertouch: polyphonic aftertouch
• Controls: Pitch Bend +/-, Modulation, Octave +/-, Sustain
• Connectivity: USB-C
• Power: USB bus powered
• Body: aluminum
• Compatibility: macOS, Windows, and compatible iPhone/iPad mobile devices
• Software compatibility: MIDI applications and major DAWs
• Cable: USB-C to USB-A cable included
• Dimensions: 388 × 135 × 16 mm
• Software bundle: Bitwig Studio 8-Track, Cubasis LE, and WaveLab LE

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