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How to improve the sound absorption effect of polyester fiber acoustic panels?

2026-06-12
Leaving a cavity between the acoustic panel and the wall (for keel installation) and filling the cavity with sound-absorbing cotton can significantly improve sound absorption performance, especially for low-frequency sounds.
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An bhfuil tosaigh agus cúl ag painéil fuaimiúla snáithín poileistear?
What should I do if the edges curl up or the seams are unsightly after installation?
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