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Acoustic panels are ideal for use in any room where reverberation is a problem. The acoustic filter from the processed plastic absorbs sound waves and does not reflect sound waves indoors. In general the sound will be minimized.The panel is very flexible, it can be used as for creation of a beautiful face wall in a living room, behind a bar counter, and as a headboard in bedrooms.
link:https://www.lvildiy.com/acoustic-panel/acoustic-wall-panel/Pet-Wooden-Veneer-Acoustic-Panel-For-Auditorium-Hall.html
Pet Wooden Veneer Acoustic Panel For Auditorium Hall