What is diff between Audigy 2 and Audigy 2 ZS?

[freethrowtommy]

I got an Audigy 2 Platinum off of ebay and I guess the card that comes with it is just a vanilla 2 with the firewire port and all that good stuff. What is the diff between this card and the ZS?

The only thing i can see is the ZS supports 7.1... is that it?

Thanks,
Thomas

 

[sonoma1993]

the zs support 7.1 and i think the singal to nosie ratio is little bit better on the zs too.