The AKAI MAX 49 is a MIDI controller keyboard designed for use with music production software. It features 49 full-size velocity-sensitive keys, eight assignable knobs and eight assignable faders, four assignable buttons, and a large LCD display. It also includes a built-in arpeggiator, a pitch bend and modulation wheel, and a sustain pedal input. The MAX 49 is designed to be used with a variety of music production software, including Ableton Live, Pro Tools, Logic Pro, and Cubase.