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There is no discernible difference between the two. In fact the monoprice cable even has gold-plating on the tips. (not that it's important in this application) Newegg just has a higher markup.
 
Optical = digital audio, so there should be no difference when using different cables.
 
There is no discernible difference between the two. In fact the monoprice cable even has gold-plating on the tips. (not that it's important in this application) Newegg just has a higher markup.

Is it seriously gold plated? Absolutely pointless (as you said) as it is not conducting electricity but passing light through the cable.

But yes, Monoprice all the way.
 
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