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ESI Xkey Air 37

Native Instruments Crosspromo Cyber Deals 2026

Free with your purchase: Native Instruments Effects Series – Mod Pack and AIR Music Technology Hybrid 3 – classic modulation meets next-generation synthesis.

Up to and including 31-12-2026, when you purchase this product, you will receive free Full-version licences for both products:

Native Instruments Effects Series – Mod Pack combines three classic modulation effects – Chorus, Flanger and Phaser – and enhances them with entirely new functions. You’ll enjoy an authentic Vintage character alongside fresh, creative possibilities.

AIR Music Technology Hybrid 3 is a high-resolution virtual synthesizer with two simultaneous parts, each comprising a fully-fledged synthesizer with 3 oscillators. It combines the warmth of analogue sounds with futuristic, digital sound design. With over 1,200 presets, you can rediscover familiar Synth Sounds or create something that nobody has ever heard before.

MIDI Keyboard

  • 37 standard-sized piano keys with an ultra-short travel distance
  • Wireless operation with Mac, iPad and PC via Bluetooth
  • Class Compliant – recognised immediately without the need to install a driver
  • Elegant brushed aluminium housing
  • Velocity-sensitive with true polyphonic aftertouch
  • Pressure-sensitive smart buttons for pitch bend and modulation
  • Sustain button
  • 2 octave shift buttons (+/-)
  • Range: -3 to +3
  • Built-in rechargeable battery for fully wireless operation via a Bluetooth connection
  • Status LEDs to indicate the USB and Bluetooth connections, as well as the charging status
  • Micro-C connector for wired operation
  • For charging the battery and firmware updates
  • Optional Xcable adapter: 5-pin DIN MIDI and 6.3mm sockets for expression and sustain pedals (not included)
  • Weight: 966 g
  • Dimensions: 553 x 135 x 16 mm
  • Includes USB-C to USB-A cable
  • Available since August 2026
  • Item number 651081
  • Sales Unit 1 piece(s)
  • Number of Keys 37
  • Hammer Action Keys No
  • Aftertouch Yes
  • Split Zones 0
  • Layer function No
  • Pitch Bend / Modulation Yes
  • Rotary Encoder 0
  • Fader 0
  • Pads 0
  • Display No
  • MIDI Interface None
  • Sustain Pedal Connection No
  • USB-port Yes
  • Mains Operation No
  • Battery Operation Yes
  • Bus-Powered Yes
  • Width in mm 553
  • Height in mm 16
  • Depth in mm 135
  • Weight in kg 1,0 kg
  • Special Features Bluetooth, aluminium housing
349 €
All prices incl. VAT
In stock
1