Amazingly authentic Voices, exciting backing Styles with 16-track sequencer and Style Creator 

61-key digital workstation with 796 amazingly realistic sound voices. 

• 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.