Check the listing for details. M-Audio OXYGEN25 MK IV USB MIDI Performance Keyboard Controller. Condition: New. Listed at 129.99 USD. M-Audio pioneered the portable MIDI controller market with the Oxygen series of keyboard controllers. Today, M-Audio continues to be a leader of this technology by developing intuitive controllers for software-based music production and performance. Thanks to continued innovation over the course of nearly a decade, the new Oxygen series controllers offer more control, deep hardware/software integration, and come equipped with a reliable build that enables you to make music on the go or implement these controllers into any studio. Features: 25 full-size, synth-action velocity-sensitive keys 8 velocity-sensitive trigger pads for beat production, clip launching, and more 8 assignable knobs for manipulating virtual instruments and plugins Assignable fader lets you mix your productions with ease Transport buttons let you control your DAW without reaching for the mouse DirectLink automatically maps controls to popular DAWs: Ableton Live, Pro Tools, Logic, Cubase, and more LCD screen provides instant parameter feedback Sustain pedal input for further creative control USB-powered, plug-and-play support, and USB-MIDI connectivity Includes Ableton Live Lite Includes SONiVOX Twist, a powerful spectral morphing synthesizer Includes AIR Music Tech Xpand!2, a multitimbral all-in-one workstation Includes VIP3.0 - the ground-breaking, award-winning music software platform that provides musicians and composers with a powerful hands-on control solution for their virtual instrument and virtual effect collection