If you are a serious audiophile enthusiast of home theater, placing the speakers behind the screen would make the projection of sound quite accurate. However, wouldn’t it be better, if the sound could pass through the screen? An Acoustic Sound transparent Screen is the solution to this problem. Here is how you can select one.
Sources:
http://elite-projector-screen.blogspot.in/2015/03/fantastic-acoustic-sound-transparent.html
http://elitesprojector.livejournal.com/10108.html