Can Optical Cables Be Used For Voice?

Frenchie2510

Estimable
Jul 18, 2015
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So I'm using Astro A40's but without the mixamp, bad mic quality on th mix amp, and I'm wondering if my Optical cable can be used to input my voice?

I want to buy a sound card for my PC so I can get 7.1 surround, my optical cable is 3.5mm on 1 side and Optical Male end on the other, bad phrasing I know.

So If I put the optical cable going from my headset to my PC and into the optical port, can it transfer my voice?

Also is there a splitter I can get for my headset with all the jacks I need on it so I can have say 6 jacks for audio and 1 for my mic on the end of it.

I'm new to sound technicalities so I don't have a clue, if you have any suggestions on what to do, fire them at me :)