Auralex MAX Wall 200 20x48 Inch Panel (Purple, Box of 2)The patent pending, interlocking MAX Wall acoustic treatment system is made to grow and grow as your needs change it can just go on and on and on, but only if you need it to. Don't buy more than your place requires and don't bankrupt your pocketbook when a simple MAX Wall system might be all you need! You want modular? MAX Wall's your answer. The MAX Wall's perfect if you're renting a space and don't want to or aren't allowed to mount anything to your