Digital Audio Extender box allows you to transmit up to 192K audio signal 
Up to 330 feet, 96K up to 500 feet and 48K up to 1000 feet. This will allow you to keep your media devices in your media closet and still be able to listen to great audio through your home theater or spears remotely.
Perfect for Home Theater Rooms, Living Room, Family Room and other Media Centers. Supports coaxial and optical Toslink digital audio 5.1, Dolby Digital 5.1, DTS-HD 5.1, DTS-HD, and PCM (NOTE: DOES NOT support DTS-HD Mater or Dolby TrueHD 7.1 Audio formats)
 
Features
Optical/Coaxial Digital Audio Extender 
Extend Audio Signal up to 1000 Feet (300m) over Cat5e/6 Cable. For Maximum Distance please use a high-quality CAT cable
Full HD Audio - Supports SPDIF Optical Toslink Digital Audio and Coaxial 5.1 Channel
Dolby Digital 5.1, DTS 5.1, DTS-HD, LPCM and PCM when used as a straight digital in/digital out extender
NOTE: Does not support the transmission of DTS-HD Master or Dolby TrueHD Audio formats (7.1)
Extends digital audio over CAT5 - Distances upto 192 - 330 Feet (100m), 96K - 500 Feet (150m), 48K - 1000 Feet (300m)
Support one-way POC function. The transmitter is powered on by the receiver through the CAT cable
Easily Extracts and Splits Audio Signals
Simultaneously use Coaxial and Optical outputs at the Receiver end. However, only 1 input source can be used at the Transmitter end
HDMI 2.0, HDCP 2.2 Compliant
Includes 100-240 50/60 Hz auto-switching power supply for use anywhere in the world
Lifetime OREI Tech Support & 12-Month Manufacturer's Warranty