* 283 realistic instrument voices, 11 Regional voices, 480 XG voices, 14 Drum/SFX kits and 8 Regional Drum/Percussion kits * 16-track sequencer * Style Creator * 176 built-in accompaniment styles including 14 regional styles * Fully XG-compatible The PSR-S550 inherits many of the high-quality sound features of the PSR-S700/S900, resulting in improved musical performance through increased polyphony and more voice variations, Using the 16-track sequencer and Style Creator, the ability to produce a wide array of music has greatly increased.
