The Yamaha PSR S975 Portable Arranger Workstation is an incredibly versatile keyboard perfect for home practice studio recording and live performance. This flagship model of the S-series comes with an array of professional features including versatile effects external display capability and a programmable vocal harmony function. Along with two assignable live controllers players can have total control over voices styles and effects for a reliable performance. With over 1600 voices and a comprehensive suite of effects the PSR S975 will take your performance to the next level and satisfy even the most demanding audience.