I don't know what to do with cs :go sounds.In 1.6 its easy - you hear very well enemy's footsteps and know -far or near, but in cs:go i don't know if enemy is near or far .I'm hearing all the activity in the map, but i cant see the diference between near and far distance.
try gtr and other pro's cfg and see if there is a diffrence,if you didnt notice any diffrence in sound,then the game is like that and probably you can fix it
at least for now