Korg opsix MK II Altered FM Synthesizer with 61 Keys and Expanded Sound Design Engine (OMSIXM)

Korg opsix MK II Altered FM Synthesizer (OMSIXM)

The Korg opsix MK II is an advanced Altered FM synthesizer designed to make FM sound design more intuitive, creative, and powerful. It combines classic six-operator FM synthesis with modern sound-shaping tools, giving musicians access to a wide range of tones—from vintage digital textures and evolving pads to aggressive basses and cinematic soundscapes. With expanded 64-voice polyphony, hands-on controls, and multiple synthesis methods in one instrument, the opsix MK II delivers deep programming capabilities while remaining easy to use for both beginners and experienced synthesists.

Features

• 64-voice polyphony for richer layered sounds and complex performances
• Altered FM synthesis engine with advanced sound design flexibility
• Six-operator FM architecture with expanded operator modes
• Operator Mixer with illuminated sliders and knobs for intuitive editing
• Six synthesis types in one instrument:
• FM synthesis
• Subtractive synthesis
• Semi-modular synthesis
• Additive synthesis
• Waveshaping
• Analog-style modeling
• 40 preset algorithms plus customizable user algorithms
• 23 oscillator waveforms for expanded tonal variety
• 11 filter types including MS-20 and Polysix-inspired filters
• Three envelopes (EGs) and three LFOs for deep modulation
• 12-slot virtual patch modulation matrix