KáCsa® Professional, double shielded (Aluminium Mylar foil and OFC braid) symmetrical audio interconnect SUB (subwoofer) cable of the KáCsa® OCC Line, made from, solid core UP-OCC copper conductors with 0,8 mm² cross-section in a black PVC jacket, covered by tight black Nylon „snake skin” mesh. The space between the twisted conductors is filled up with polypropylene yarn.