4 cores shielded interconnect cable 99.99%Ag 0.1mmD x 52 strands x 2 core (total 104 strands) 99.99%Ag 0.15mmD x 20 strands x 2 core (total 40 strands). All pure silver wire is long term annealed to provide mellowness for total music enjoyment. It is a combination of different diameters (0.1 and 0.15mm strands) based on extensive listening tests.