This splitter is designed for splitting an optical signal from one OUTPUT (source device, eg: DVD player) to two INPUTS (such as on an amplifier). Discover more about the small businesses partnering with Amazon and Amazon's commitment to empowering them. Learn more This product has sustainability features recognized by trusted certifications. Each connection is equipped with an SC/APC socket. The incoming and outgoing optical cables can be connected directly to the splitter, thus avoiding potential sources of error and unnecessary transitions. Read more. SPDIF AUDIO SPLITTER: The toslink digital optical adapter supports Digital 5. 1CH Dolby-AC3, DTS, PCM, LPCM2. Here's an idea for a perfect pairing. Split your optical signal two ways, with the flexible CYP AU-D12.