Importer520 Fiber Optic Audio Cable - 3ft (0.9M) Brand New Non-OEM (Generic) Polybag Package Heavy Metal Connectors To Dampen Vibration, Gives You The Ultimate Listening Experience. Completely Eliminates Any Chance For Rfi, Emi Or Ground Loop Interference Gold Plated Ferrule Prevents Corrosion And Provides For Maximum Protection Of The Fiber Tip. Toslink Digital Audio Cable Provides You The Cleanest Possible Signal, Even At Extreme Volume Levels