ESI Audio Shipping K.ON Expandable Control Keyboard

The K.ON Expandable Controller

ESI Audio has announced that the K.ON expandable controller is now shipping.

K.ON has with 88 hammer action keys and a total of 4 expansion slots, compatible with existing synthesizer modules from other vendors and with forthcoming expansions from ESI. One of the expansion slots is occupied by the standard I/O board featuring support to bus-power the keyboard via USB and making it compatible with all current Windows versions (incl. Vista 32- and 64-bit) as well as Mac OS X (incl. Leopard).


  • 3 digit LED display
  • 9 endless dials
  • 9 faders
  • modulation wheel/pitch bend
  • numeric keypad
  • transport control buttons
  • various editing functions for programming
  • power supplied via USB or optional external power supply
  • expandable via 4 expansion slots on backside
  • Windows Vista, Windows XP, Windows 2003, Mac OS X 10.3 (and higher) compatible
  • bundled with Steinberg Cubase LE 4.0 for PC and Mac

K.ON has a MSRP of €599.

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