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).

Features:

• 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.