Samson Graphite 25 USB MIDI Controller 25-key semi-weighted keyboard with after touch, Programmable master fader, 8 encoders and 4 buttons for hands-on control over your DAW and virtual instruments. Graphite 25 USB MIDI Controller is compatible with any DAW that supports generic midi device input 4 velocity-sensitive trigger pads with after touch (two banks) for drum sounds and samples, Large LCD display provides real-time feedback. Includes MIDI Out, USB and sustain pedal connections. Compact design, perfect for live performance and studio applications. Dedicated Transpose and Octave buttons, Pitch Bend and Modulation wheels, 3 zones for creating splits and layering sounds. Adjustable velocity curve for both keys and pads, USB bus powered, Bundled with Native Instrument's Complete Elements software.