The cable configuration of the HiFiMan Susvara and HE1000 headphones consists of a monocrystalline copper wire and a monocrystalline silver wire. The special composition and amount of materials ensures low resistance in signal transmission and high mechanical strength for everyday use. Whatever your compatible headphones are, this cable will remain a long-lasting companion. The 2x 3.5mm jack headphone cables are available with 3.5mm, 6.35mm and XLR 4-pin connectors. The black cable is neoprene and the silver one is Teflon coated.