The Oberheim OB-X8 Desktop is an 8-voice polyphonic analog synthesizer released in 1980 by Oberheim Electronics. It is an iconic synthesizer that has been used by a variety of artists such as Prince, Phil Collins, and Depeche Mode. The OB-X8 is a duophonic instrument featuring two oscillators per voice, a 24 dB/octave filter, two envelope generators, and a voltage-controlled amplifier. It is capable of producing a wide variety of sounds, from lush strings to gritty bass lines. The OB-X8 also features a built-in arpeggiator and a unique "slide" function, which allows the user to produce smooth gliding portamento effects. The instrument was also equipped with a 61-note keyboard, a pitch-bend wheel, and a modulation wheel. The OB-X8 is an incredibly versatile instrument that is still sought after by many musicians today.