The Casio CZ-2000S is a vintage digital synthesizer that emerged in the 1980s. Belonging to Casio's CZ series of synthesizers, the CZ-2000S features phase distortion (PD) synthesis, producing distinctive and versatile sounds. With advanced modulation capabilities, 49 velocity-sensitive keys, and a user-friendly interface, this instrument found its place in various musical genres of the time. Though less known than some of its counterparts, the CZ-2000S is sought after for its unique sonic character and its place in the history of synthesizers.