HTTX Female to Female Optical Toslink Digital Audio Extension Cable Coupler Connector Adapter, 2-Pack Extend length of your optical toslink cable with this adapter by combining 2 optical toslink cables. Connect two Toslink cables together with this adapter Great for large rooms that have surround sound, such as Dolby speakers located around the room Compatible with CD, D/A Converters, Dolby Digital DTS Surround sound receivers, DVD, MiniDisk players and recorders, ProAudio cards, etc. What You Get: 2 x Toslink Digital Audio Cable Connector, our worry-free 18-month warranty and friendly customer service.