The Alesis Q49 is a 49-note MIDI keyboard controller that is velocity-sensitive with USB and traditional MIDI ports. The Alesis Q49 features pitch and modulation wheels a sustain pedal input backlit octave up and down buttons which prove their weight in gold in a live or dim lit environment and a volume/data entry slider. The versatile functionality of this MIDI keyboard means that you can add expression range and dynamics to your performances quickly and effortlessly.