Cooler Master Sirus - 5.1 - Manual (Page 16)

 Sound Effect Page
Environmental Effects:
There are several fun-modes that simulate sound reflection and reverberation.
If you ever get bored, try your favorite games in some of these modes for some fun.
Room Size:
Besides the fun modes there are 3 separate modes that slightly adjust sound reflection and
reverberation to emulate a different room size.
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