Roland SP-404MKII Portable Sampler & Effects Unit Roland SP samplers are the bona fide kings of performance-based beatmaking, celebrated for their distinctive sound and ability to create rapid-fire beats anywhere, anytimeCarefully refined through community feedback and extensive research and development, the SP-404MKII is the ultimate SP sampler. It's faster and better than ever, with a vivid OLED display, expressive new pads, expanded effects, fluid sequencing and sampling, and a massive library of authentic sounds to inspire your music. The SP-404MKII has everything people love about its predecessorwith some serious upgrades like 17 ultra-expressive pads and updated knobs for smooth, hands-on control. And beatmaking is even quicker with speedy boot time, swift project loading and sample import, and easy project access via 16 GB of internal storage. Longtime users and new beatmakers alike will feel right at home with the intuitive layout and classic SP effects, plus a revamped sampli