Akai APC40 MKII Ableton Live Controller at a Glance:Control with the ease you needNew features make performing and recording easier than everPerfect portability for producers and performersControl with the ease you needPerformers and producers of every niche here at APC40 MKII to be the all-in-one answer for an ultra-portable Ableton Live controller. Designed specifically to work with Ableton Live, you will enjoy plug-and-play setup for creation, recording, and shows. Simply plug it into your computer and launch Ableton - whether you're an experienced electronic musician or a novice to the concept, the compact design, natural workflow, and seamless 1-to-1 integration mean you'll be making music with Ableton and the APC40 MKII controller in no time.New features make performing and recording easier than everThe APC 40 MKII is the easy choice for your next Ableton Live controller because Akai Professional focused the APC 40 MKII design to pick up where the original left off. You get more control in a lower profile format and new features such as dedicated track arm and time division buttons for each track, and classic performance and recording necessities with a metronome and a crossfader.Perfect portability for producers and performersThe APC40 MKII's compact design makes it perfect for mobile performers and studio producers alike. Set up your scenes and set list at home, throw it in your backpack along with your laptop and you're ready for the gig. USB power means you'll never forget a power supply and with the plug-and-play integration you'll be set up and ready to perform in seconds.Akai APC40 MKII Ableton Live Controller Features:An updated version of the flagship APC40 Ableton Live controllerProvides hands-on control of Ableton Live with visual feedbackRevised knob layout with inline controls offers a smarter workflowLighter, slimmer, and USB-powered for maximum portabilityIncludes Ableton Live Lite, Hybrid 3 by AIR, SONiVOX Twist, and morePortability and performance with the Akai Professional APC40 MKIITECH SPECSNumber of Performance Pads40Number of Encoders/Pots18Number of Sliders/Faders8 channel faders, 1 master faderSystem Requirements MacIntel Mac with OS X 10.5 or laterSystem Requirements PCMulticore Processor, 2 GB RAM, Windows XP, Vista, Windows 7 or 8, with Windows compatible Sound CardUSBYesHeight1.8Width16.7Depth10Weight3.97 lbs.