GTX-D Duplex Power Outlet for US (Gold)Duplex Pure Copper Receptacle with Gold Plating A very Furutech power product, manifesting a devotion to best performance in every element of AC and signal transfer. Considering that what you actually hear is, in a very real sense, the direct product of the incoming AC, then the final few feet are of prime importance for best performance. Of course, everyone would love to make pure copper receptacles, but its malleability and lack of stiffness make