Description The Roland MC-303 Groove Box is a self-contained, retro-styled sequencer and integrated sound module with some very high-tech features. Techno, rap, jungle, hip-hop, acid and other dance styles can now be approached easily and creatively by dance music producers and other groove enthusiasts with little or no musical training. Just lay down some cool beats and fat bass lines from the MC-303's huge selection of sounds and rhythms and let there be groove! Specifications 448 dedicated dance sounds, 40 synth basses (TB-303, etc.), 35 synth leads, 33 synth pads 12 rhythm kits, including TR-808, TR-909, techno, jungle and house sets Built-in vintage synth sounds and arpeggios; preset and user dance patterns with 300 variations 16-part multitimbral with an 8-track sequencer containing multiple quantize functions: Grid, Shuffle and Groove Resonant filter, LFO, envelope control and built-in effects: delay, reverb, flanger and chorus Realtime Phrase Sequencer (RPS) for instant recall of musical phrases Low Boost feature.