For connecting two devices with optical input/output in ODT (Toslink) standard for digital audio transmission. Digital optical connections have the advantage of being immune to electromagnetic interference. This allows for a small cable diameter even with longer cables. The optical audio cable also decouples the audio sender/receiver from the audio receiver/amplifier, preventing the formation of ground loops. Through a digital audio cable, not only two audio channels can be transmitted, but all audio channels necessary for a home theater system. The audio channels are then split in the amplifier and amplified to all connected speakers. However, when using optical cables, care should be taken not to bend the cable, as this could cause the optical cable to break.