Yamaha PSS-280

The Yamaha PSS-280 is a portable keyboard synthesizer released in the early 1980s. It was used by a variety of artists, including the Pet Shop Boys, Depeche Mode, and New Order. The PSS-280 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 variety of sound effects, including vibrato, chorus, and echo. The PSS-280 is powered by four AA batteries, and it can be connected to a computer or other MIDI devices.