Yamaha PSR-E473 61-Key Touch-Sensitive Portable Keyboard (with PA150)The PSR E400 series is an excellent all round 61 key keyboard that is ideal as a starter instrument but also represents a robust alternative for experienced players. The latest PSR E473 features a newly developed tone generator that delivers stunning improvements in sound quality as well as high quality effects such as delays. 820 Voices and Super Articulation Lite Voices 290 Styles 2 channels 41 types of DSP insertion effects Quick Sampling Groove