Carefully refined through community feedback and extensive research and development, the SP-404MKII is the ultimate SP sampler 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 Vivid OLED display for visual waveform editing, full menu access, and more 17 velocity-sensitive, RGB pads with no-click design for smooth playability Faster workflow with quick startup and load times, 16 GB internal storage, low-latency pads, and rapid sample editing Compact, ultra-lightweight design (2.6 lb./1.2 kg) with versatile power options: USB-C, mobile battery (via USB-C port), six AA batteries, or AC adaptor Extensive onboard effects, including SP classics like Vinyl Simulator and DJFX Looper, new Lo-fi, Cassette Simulator, and Resonator effects, and dedicated Vocoder, Auto Pitch, and Guitar Amp Simulator effects for the mic/guitar input 32-voice polyphony, 160 samples per project, and 16 internal projects for expanded programming possibilities Blazing onboard sample editing with real-time or auto-chop mode, auto BPM detect, envelope, pitch shift, and resampling for layering sounds and phrases Pre-loaded sound library with 144 high-quality, professionally recorded samples and patterns Version 5.50 update includes side chain compression for more dynamic, responsive mixes and SD card support in SP-404MKII and exFAT formats