BEHRINGER FILTAMP MODULE 1006. 24Db low pass filter module with VCF and VCA for Eurorack. It features matched ladder transistor VCF and VCA filters with level, resonance and output gain controls, 3 CV inputs with independent attenuators, 2 signal inputs with independent attenuators, keytracking input for VCF with attenuator. The VCA features a 2-way switch to select the exponential or linear signal response