Akai Professional Compact Ableton Performance Controller APC20, 40 performance pads, 9 sliders. 1 rotary encoder and 47 other switches Mapped for Ableton Live, and fully customizable Clip Launch matrix with multicolor lighting displays current clip status No mapping required; every button and fader is pre-mapped Bidirectional hardware/software communication for visual feedback on APC20 Solid, professional feel with rugged, metal chassis, and premium controls Comes with Ableton Live Akai Professional APC Edition software Works with full editions of Ableton Live 8.1.3 or higher USB plug-and-play connection for Mac and PC Original list price $299 Sale price $99 Note: this requires a computer to work, it is not a stand alone sampler or controller. Please email to arrange time/place for pickup