Behringer MODELO D Analog Synthesizer Eurorack ModuleClassic Analog Synthesis in a Modern Module Introducing the Behringer Model D Analog Synthesizer, a Eurorack sized module that recreates the iconic sounds of a legendary analog monosynth. With triple VCOs, a ladder filter, and versatile modulation options, the Model D brings classic synthesis to your fingertips. Type: Eurack sized Analog Monosynth Module Oscillators: 3 Oscillators Features: A 440 Tuning Reference, Filter Amp Envelopes, Lowpass