Digital Audio Signals Extension: This Active Digital Audio Extender extends your Coaxial or Optical signals up to 300 meters/990 feet over Cat5e/Cat6 Cable for complex home theater setups Audio Sync Output: Simultaneous routing of audio signals to 2 destinations using the optical and coaxial output High Definition: Support Dolby Digital, DTS 5.1, DTS-HD and PCM, bring you an extremely enjoyable experience of the audio Quick Install: Quick and easy setup; Power the Receiver via an Ethernet cable, only one power source required. The device can be powered via the Supplied DC adapter High Fidelity: Send your Dolby 5.1 or DTS to surround sound audio over cat5/cat6 cable for remote settings. Digital audio transmission without signal loss. The digital audio S/PDIF performance sampling rate is 96 kHz