Yamaha S90XS

Yamaha S90XS is a synthesizer workstation released by Yamaha in 2008. It is a powerful and versatile instrument that combines the best of both analog and digital synthesis. It has been used by many professional musicians, including Herbie Hancock, John Legend, and Skrillex.

The S90XS features a 61-key semi-weighted keyboard with aftertouch, 16-track sequencer, and a wide range of sounds and effects. It also has a built-in arpeggiator, a vocoder, and a variety of real-time controllers. The S90XS also has a USB port for connecting to a computer, allowing users to access additional sounds and software.