The UMX25 from Behringer is a velocity sensitive 25-key USB/MIDI keyboard controller, that can function within a computer based audio set-up, or stand-alone.
In addition to ten programmable MIDI controllers and eight user-set buttons for outputting switch control messages, the UMX25 ships with audio/MIDI software from Ableton, along with fifty virtual instruments.
A USB/Audio interface is also included and the controller can be powered via the USB bus, or by batteries or an external power supply (batteries and power supply not included.)
Velocity-sensitive USB/MIDI keyboard with 25 full size keys
8 real-time rotary controls plus 10 assignable switches
Modulation wheel, volume fader and pedal port can be freely assigned to output different control commands
Capable of full 128-note range via octave shift functions
Separate MIDI Out allows for controlling external samplers, synthesizers and other equipment
USB/Audio Interface included
Ships with Abelton Live Lite 4 and 50 virtual instrument plug-ins
Powered from USB port or via (not included) AA batteries or an external power supply