Enter the Behringer 992 CONTROL VOLTAGES Module. An authentic reproduction of the circuitry from the ÒModular 55 & 35Ó Series used by the worldÕs most famous pop, rock and jazz musicians. Now, musicians can build their very own, unique, synthesizer that can fit in a standard Eurorack case for a very affordable price. Mix and match specific modules to create your personal, unique synth to complement the music you play or go all out and fill a room, from floor to ceiling, with modules thatÕll fulfill any synth geekÕs wildest dream.