The AKAI MPK261 is a MIDI keyboard controller designed for music production and performance. It features 61 semi-weighted keys, 12 MPC-style pads, 8 assignable knobs, and 4 banks of assignable controls. It also includes a built-in arpeggiator, a 4-way joystick, and a full-color LCD display. The MPK261 is designed to be used with a computer and music production software, such as Ableton Live, Logic Pro, or Pro Tools.