Behringer's System 55 921A Oscillator Driver provides two summed CV inputs for frequency control and two summed CV inputs for pulse width modulation. Outputs can provide high current to allow for frequency and pulse width to drive multiple Behringer 921B and other Eurorack modules. The module also provides a switch for semitone/octave selection plus manual control over pulse width. Product Specs Item Number: 14379 Make: Behringer Model: 921A Oscillator Driver Module Condition: Brand New Finish: Black Categories: keyboards-and-synths ⇒ eurorack Function: Expander Oscillator CV Modulation Utility Made In: China MPN: BEH-921AOSCDRIVER EAN: 4033653031875 Modular Grid: Eurorack ⓘ + Dimensions*: 8 HP 35 mm deep Power*: 25 mA +12V 25 mA -12V 0 mA 5V * User contributed details