Arturia KeyLab mk3 is a universal MIDI controller designed for integration with both software and hardware instruments. It features a 49-note semi-weighted keybed with redesigned aftertouch, touch-sensitive faders, rotary encoders, and pads for hands-on control of DAWs, virtual instruments, and external gear. The controller includes creative tools such as a multi-mode arpeggiator, chord mode, and scale mode, as well as a 3.5-inch full-color display for real-time feedback. KeyLab mk3 offers USB-C and MIDI connectivity, pedal inputs, and deep integration with Ableton Live, Logic Pro, FL Studio, Cubase, Bitwig Studio, NKS, and MCU/HUI. Included software such as Analog Lab Pro, Ableton Live Lite, and select V Collection instruments provide a range of sounds for studio composition and live performance.