Behringer 112 Dual VCO ModuleSYSTEM 100 112 DUAL VCO This is the Behringer System 100 112 DUAL VCO Module. An authentic reproduction of the original System 100M circuitry from the 80s that can fit in a standard Eurorack case. The best part? Its at a very affordable price. Mix the 112 DUAL VCO in with your existing rig or start your modular synth journey from here. Either way youre sure to have a lot of fun. Waveforms Each VCO in the 112 features 3 selectable waveforms for each