1 x 4 Optical Audio Splitter1 x 4 Optical Audio Splitter The 1 by 4 Optical Audio Splitter can split and distribute a single optical digital audio input to up to four simultaneous optical digital outputs, allowing users to share one optical source to up to four optical sound systems. A simple and easy to use tool for distributing a single optical signal to multiple areas or devices. Supports one optical input and four optical outputs Supports LPCM 2CH audio signal and sampling