Are 2x2 Acoustic Panels Enough? Here's How to Calculate Coverage: Now, you might be wondering: why does size matter when choosing your panels? The size directly impacts the amount of surface area that's covered and, consequently, how effective the panels are at improving sound quality. Larger panels like the 2x4 models cover more space with fewer pieces, but that doesn't necessarily mean they're always the best choice. Sometimes, the size of the room and the type of acoustics you're dealing with will help you determine whether you should buy 2x2 acoustic panels or 2x4 sound panels. read the article: https://livepositively.com/are-2x2-acoustic-panels-enough-here-s-how-to-calculate-coverage/