The latest range of Oxygen keyboards offer all the control and features today's producer requires including transport control, assignable knobs and trigger pads. Available in 25, 49 or 61 key models, the Oxygen series combines a velocity-sensitive keybed with a series of 8 trigger pads. Used for launching audio clips, triggering percussion sounds and more, the pads also provide velocity - sensitive response and illuminated feedback. Control capabilities expand with 8 assignable knobs - perfect for adjusting plugin parameters and mixing tasks. The Oxygen 25 features an assignable master fader while the Oxygen 49 and 61 provide 9 total faders for virtually limitless MIDI manipulation. Each keyboard in the series features an LCD screen and transport controls for seamless operation with digital audio software. A 6.3mm (1/4 inch.) sustain input jack is built in for expressive performances. Every keyboard in the Oxygen series includes a powerful software package for creating music right away, starting with Ableton L ive Lite - a dynamic music creation software, lets musicians develop songs with extensive MIDI and audio processing tools. Twist, an acclaimed spectral-morphing software synthesizer from SONiVOX, creates swirling sonic textures that come to life with inspiring depth and motion.