Mutable Instruments Blinds Polarizer/VCA Eurorack Synth Module (Black Textured)Mutable Instruments Blinds clone, identical to the original in hardware. Blinds is a four channel polarizer which can also be used as a VCA. Negative CV enables the inversion of any incoming signal. This module is professionally built and extensively tested by an electronics engineer with over ten years of experience. It comes with a premium black textured aluminum panel designed by Magpie Modular. Blinds comes with a one year warranty, and ships