Do you need to connect your audio output from your TV to a sound bar, but the audio connections do not quite match? With our Digital Coax to Optical Audio converter, you can now utilize your existing digital audio equipment. Simply connect a Digital Coax cable from your source device into the converter. Then use a digital optical cable to connect from the converter to your audio equipment. This converter includes the necessary power supply for a quick and easy solution for your audio needs. Be aware, this converter is not bi-directional and is designed to be used from a digital coax output to a digital optical input. If you need a digital optical to digital coax converter, you will need this: http://www.showmecables.com/product/O.... Our Digital Coax to Optical Audio converter will allow you to change formats to save time and money, while keeping full digital sound quality. For all of your converter and adapter needs, choose Show Me Cables.