Gstaff emailed me before asking about this problem and asked me to post my sound information of my computer. So they're definitely aware of the problem. I think we just have to wait. 2 months though is a pretty long wait just to get something as fundemental as acceptable sound volume.
Hi, I agree with you.
My post :
http://www.gamesas.com/topic/1329538-low-volume-issue-isnt-fix-after-2-month/