Yamaha PSS-680

The Yamaha PSS-680 is a portable keyboard synthesizer released in 1985. It was used by a variety of artists, including the Pet Shop Boys, Depeche Mode, and New Order. The PSS-680 is a monophonic synthesizer with a built-in 8-bit digital sampler. It has a 61-note keyboard, a built-in speaker, and a variety of sound-shaping features, including a low-pass filter, an envelope generator, and an arpeggiator. It also has a built-in sequencer and a variety of effects, including chorus, flanger, and delay.