Yamaha PSS-14

Yamaha PSS-14 is a portable synthesizer keyboard released by Yamaha in the early 1980s. It was used by many popular musicians, including Michael Jackson, Herbie Hancock, and Prince. The PSS-14 is a monophonic synthesizer with a built-in speaker and a built-in rhythm machine. It has a 32-note keyboard and a variety of sound-shaping controls, including a low-pass filter, envelope generator, and LFO. It also has a built-in arpeggiator and a built-in sequencer. The PSS-14 is powered by four AA batteries and can be connected to a computer via MIDI.