Using Xonar Essence STX with Edifier S550 or 5.1 Systems

I saw a search query on the stats on this matter so i'm starting a post to give information about it,just in case anyone needs it.

So this is how to and when you can use a Stereo Sound Card/DAC like Xonar Essence STX with a Multichannel System like the Edifier s550 for Surround Sound.

Asus Xonar Essence STX - Review

There's a while since i got my Asus Xonar Essence STX,so after listened to it enough to judge it,i decided to write a Review about it,well i already had requests though.

Asus Xonar Essence STX

So let's start with the basics.

Here is the link of the Sound Card's Page in Asus.com:
http://www.asus.com/product.aspx?P_ID=zCDHPnfR1jymHK2f&templete=2

I suggest you to visit it because if i post the important properties here,this post will end up bigger than i'm expecting.

Let's now proceed with (i hope) Detailed Photos.