Heinakroon LED CV Patch Cables Eurorack Modular Test Leads, 5-Pack (23.6), TransparentThe Heinakroon LED Patch cables for Eurorack are perfect for patching your modular system or semimodular synths The highquality semitransparent patch cables have colored LEDs in each connector powered by the signal voltage, making it very easy to see whats going o..