Akai Professional APC40 MKII | Ableton Performance Controller with Ableton Live Lite Download (5x8 RGB Clip-Launch Grid) Compact Ableton Live controller powered by USB connection to computer 40 pad (5x8) clip-launch matrix seamlessly integrates 1-to-1 with Ableton Live RGB pad feedback for clip status, color coding, and more 8 channel faders, 1 master fader, and 8 device controls map to Ableton directly.Premapped controls and plug-and-play setup for maximum portability Windows XP, Windows Vista, Windows 7, Windows 8 or Windows 10; multicore processor; 2 GB RAM; Windows compatible sound card (ASIO driver support recommended), QuickTime recommended