The top of the PSR-E range in 61-key options, with many more Voices and Styles than the PSR-E363, it’s the enhanced speaker system that really makes this model stand out! 61-key touch sensitive portable keyboard with 758 voices, 235 accompaniment Styles, 6-track recorder, Quick Sampling (.Wav 44.1Khz), Groove Creator, real-time control knobs for creative effects control.