Official upgrade audio cable for the HEDDphone® D1 delivers higher resolution and improved clarity. This high-purity hybrid cable features 168 strands of hybrid conductor design (silver plated 5N LC-OFC copper and 5N LC-OFC copper) in black and silver textile sheathing. It requires high quality amplifiers to perform at its best. This cable is compatible with the HEDDphone® D1, HEDDphone® TWO and HEDDphone® TWO GT. 4-braid, 24-core hybrid conductor design (Silver Plated 5N LC-OFC Copper and 5N LC-OFC Copper)Litz Type 4 construction with fiber-filled damping coreBlack and silver textile sheathing1.6m balanced cable with 4.4mm terminationCompatible with the HEDDphone® D1, HEDDphone® TWO and HEDDphone® TWO GT