The Roland HPD-20 Handsonic Electronic Percussion Pad is a unique percussion instrument ideal for both live performance and studio music production and features Rolands acclaimed superNATURAL sound engine and powerful multi-effects delivering unparalleled sound quality and expressiveness. the HPD-20s 13 pads provide ultra-sensitive response and flexible control options for playing onboard sound but also a great way to control external MIDI instruments with an astounding range of expression. It offers 850 dynamic onboard sounds plus the ability to import your own samples via USB.The HPD-20 really comes into its own when in a computer music production situation. Its perfect for playing VST instruments recording MIDI and audio performances in your favourite DAW software and much more. And with convenient trigger inputs you can easily expand the HPD-20 with a Roland pad and hi-hat controller to build a super-compact percussion set.