An optical audio splitter, also called a Toslink splitter, distributes a single digital audio signal across multiple optical outputs. The primary advantage of optical audio is its ability to transfer high-quality sound without interference from electromagnetic signals. It consists of a fiber optic cable that connects a source device, such as a TV or Blu-ray player, to a receiver or soundbar. Start by identifying how many devices require connection—whether you need a 1×2 or 1×3 configuration. Next, verify that your splitter supports your audio formats: LPCM 2.