Yamaha DX7S

The Yamaha DX7S is a digital synthesizer released in 1987. It was the successor to the original DX7 and was designed to be more user-friendly. It was used by a variety of artists, including Michael Jackson, Depeche Mode, and Herbie Hancock.

The DX7S uses FM (Frequency Modulation) synthesis to create its sounds. It has 16-note polyphony and 32 memory slots for storing sounds. It also has a built-in arpeggiator and a variety of effects, including chorus, flanger, and delay. The DX7S also has a built-in MIDI interface, allowing it to be connected to other MIDI-compatible devices.