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.

• Combination of amazing portamento controller and CV utilities from the early '80s
• 2 independent mixers for CV signals with 4 inputs including attenuators
• 2 portamento controller can be modulated via dedicated CV inputs
• 2 constant voltage generators supporting +/- 10 V for maximum control