Erica Synths Black Quad VCA, despite its compact size, is designed according to the Black Series Hi-Fi philosophy, with our custom pre-emphasis – de-emphasis circuits preserving all the nuances of the original signal.

Erica Synths Black Quad VCA2 is a versatile four-channel voltage-controlled amplifier and mixer module for use in complex modular systems. Each channel has a linear/logarithmic response selector and a signal level indicator LED. All outputs are sequentially mixed and CV inputs are normalized to each other, allowing you to use the module in various configurations. If no CV is applied, the Black Quad VCA2 functions as a signal mixer, and the 4th channel is DC coupled for controlling CV sources as well.

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