Akai Pro APC40 Ableton Controller Stage and studio-worthy MIDI pad controller with metal non-slip chassis designed in partnership with Ableton 40 premium illuminated pad triggers and 16 LED rotary encoders that provide realtime control and feedback of musical activity Exclusive bi-directional communication between the APC40 and Ableton Live Comes with Ableton Live Akai Professional APC Edition, compatible with all versions of Ableton Live No mapping required, USB plug-and-play operation with Ableton on Mac or PC Customizable controls that adapt to your workflow, perform and create without limits