Sommer cable sc isopod so f22 patch cable sommer cable 200 040n the sommer cable 200 040n is a 2 wire foil shielded cable from the sc isopod so f22 range the patch cable has a compact outer diameter of 33mm so f22 the brown cable is mostly used for inside wiring of audio and hi fi components it has a memory effect and can be installed around corners without any problemsthe copper strands of the respective wire pairs are pre twisted and can be stripped very easily for easy connect