The Alesis V61 is a powerful, intuitive MIDI controller that lets you take command of your music software with a series of pads, knobs, and buttons. With 61 full-size velocity-sensitive keys and Octave Up/Down buttons, you can expand the keyboard to the full melodic range and play bass lines, chords, and melodies. V61 also features four assignable knobs and buttons for manipulating effect plugins and virtual instruments: open and close filters, adjust volume levels, activate effects, tweak parameters, and more. Eight velocity-sensitive backlit pads allow you to launch clips or finger drum with exceptional response, and pitch and modulation wheels expand the expressive capabilities of your performing.