Behringer 121 Dual VCF, Eurorack Module, Authentic reproduction of the original ""System 100M"" circuitry, 2 Low-pass filters with cut-off frequency and resonance control, Each filter has 3 audio outputs and 3 CV inputs with attenuators, Each VCF has an additional switchable 3-mode high-pass filter, 3-Channel mixer per VCF allows independent mixing of all input signals, Current requirement: 40 mA +12 V, 40 mA -12 V, Width: 16 HP