M-Audio Keystation 61es 61-Key MIDI Controller

The Keystation 61es is a 61-note USB keyboard with velocity-sensitive, semi-weighted keys that is designed to easily integrate in any computer music environment. Class compliancy with Mac OS X and Windows XP delivers true plug-and-play setup. More advanced users can control software synths, external sound devices, and more with the assignable slider, and pitch and mod wheels. This sleek, compact keyboard is USB bus-powered and requires no external power supply.