Behringer 297DUALPORTAMENTO.CV Eurorack ModuleSYSTEM 100 297 DUAL PORTAMENTO CV UTILITIES This is the Behringer System 100 297 DUAL PORTAMENTO CV UTILITIES Module. A portamento and mixer combo and 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 297 in with your existing rig or start your modular synth journey from here. Either way youre sure to have a lot of fun. Mix Them All