Yamaha PSS-26

The Yamaha PSS-26 is a portable keyboard synthesizer released in the early 1980s. It was used by many professional musicians, including the likes of Michael Jackson, Herbie Hancock, and Stevie Wonder. The PSS-26 is a monophonic synthesizer with a built-in speaker, and it features a two-octave keyboard, a built-in rhythm machine, and a built-in sequencer. It also has a built-in arpeggiator and a built-in chorus effect. The PSS-26 is powered by six AA batteries and can be connected to an external amplifier or mixer.