The AKAI Professional APC40 is a digital MIDI controller designed for DJs and music producers. With USB connectivity, 2 1/4" footswitch inputs, and a DC power port, this controller offers versatile control options. The compact design, measuring 14.65 x 13.19 x 2.76 inches, makes it easy to use in small spaces. The APC40 comes with an AC adapter and USB cable, and is lightweight at 5.9 lbs. With its reliable brand reputation and proven compatibility with Ableton Live, this controller is a great choice for musicians looking to enhance their performances.