Download Sonic Projects OP-X PRO-II 1.3 full version program the free setup for Windows. Sonic Projects OP-X PRO-II is a virtual instrument and plug-in that emulates the sound of the legendary Oberheim OB-X and OB-Xa analog synthesizers. Sonic Projects OP-X PRO-II Overview The OP-X PRO-II offers an accurate recreation of the classic analog synthesizer sound and includes features such as oscillator sync, ring modulation, and a filter that can be Read More …