How to output the sound?

[Borja]

Hello guys!

Im here , cause i have a doubt and i dont know how to solve it , so , im going to explain my problem.

I have a PS4 video console , which one have this conections:

Spoiler (Click to View)

The PS4 is conected via HDMI to my computer monitor (HanssG HS271 27") which have those conections:

Spoiler (Click to View)

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*What is the problem?
Well , the speakers of the monitor , arent the best option. You can hear with them , but aren't the best ones , atleast , for games which requires a great sound system. How can i solve it?

*What do I want?
I want to hear the sound of PS4 with my speakers (dont need to be 5.1 sound , i can be happy with 2.1 or 2.0).

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I have one 5.1 speakers system (Creative A520) , which one dont have a in-put conection:

Spoiler (Click to View)

I have my computer , which one dont have sound car , and the motherboard, dont have in-put conection

*What had i think?
1. I have thought one buying a soundcard with in-put conection , but ,im going to be available to hear pc and ps4?

2. Also i have thought in add a cable , wich convert 1 jack (the one wich comes from spekaers) to 2 jacks (one for my computer , other jack to my monitor) , but , its that a great solution?

Spoiler (Click to View)

*What you guys suggest to me?

Thanks in advance!