The Yamaha PSR-S900 is a professional arranger workstation keyboard. It is designed for live performance and studio recording. It has been used by many professional musicians, including John Legend, Alicia Keys, and Maroon 5.
The PSR-S900 has a wide range of features, including a built-in sequencer, a variety of voices and styles, and a powerful sound engine. It also has a large LCD display, a variety of effects, and a USB port for connecting to a computer. The keyboard also has a built-in microphone and a variety of inputs and outputs. It also has a variety of features for creating and editing music, including a built-in mixer, a variety of editing tools, and a variety of effects.