ROLAND SP-404: Portable Power-Sampler With Effects The Roland SP-404 is built on a foundation of ?more.? More features, more voices, more pads and more memory. The SP-404"s sleek, silver look is eye-catching and it surpasses its predecessor by offering battery-power compatibility, a CompactFlash slot and a built-in microphone for quick, stress-free sampling sessions. Just turn it on, aim and record ? no cables and mics to connect. Then get down to the business of making beats and patterns and add extra color with the great effects built into this little powerhouse. Even with all the bonus features, the SP-404 is still amazingly affordable.Features:12 large pads, three control knobs, jumbo display, same friendly operation as SP-30329 effects, including new Subsonic, BPM Looper, and moreBuilt-in microphone for quick samplingCD-quality soundExpanded sampling time12-voice polyphonyRealtime loop recordingSample-editing toolsImport/export WAV/AIF via CompactFlash card slot; supports up to 1GB cardRuns on battery or AC power