Korg OPSIX MODULE Altered FM SynthesizerA new modular model that revolutionizes the music production environment. opsix mk II is a digital synth like no other. The opsix Operator Mixer simplified FM synthesis for the first time, making it not just comprehensible but also controllable. With the addition of extra synthesis capabilities and programming, it offered a more efficient workflow and an even richer sound. Now, Korg has created a new form of opsix, the module. This model supports MIDI