Product_description: ['If you are looking for the best in audio, this is where it starts! A Digital Coax, sometimes also known as Sony/Philips digital interface(S/PDIF) or PCM will deliver a digital audio signal without any signal degradation. Furthermore, unlike any analog audio interconnect, this type of connection it much more resistant to EM/RF interference. In addition, it is constructed with a dual shield and the conductor is made out of High-Purity Copper, which delivers high interference rejection, high conductivity, low signal loss and degradation, low electric resistance and good signal transmission. This cable is featured with 24K Gold Plated RCA connectors to ensure a tight connection'] (Page 1)