Harmonic Technology Pro-11 Reference Speaker Cables ![]() The Pro-11 Reference Speaker cable is a major Improvement from the Pro-11Plus Speaker cable. It still 11 AWG 99.99997% Single Crystal (OCC) Copper wires with similar structure of the Pro-10 Speaker cable with Teflon tapes wrapped around PE, PP and PVC insulations. This speaker cable has more than ½ inch outer construction using 8 subgroups of 20-24 AWG OCC copper wires. The performance is much better than the Pro-11Plus cables. Custom-made per order by Harmonic Technology |