(as of Nov 09,2020 14:49:57 UTC – Details)
Used to absorb mid to high range frequencies and diminish echoes. Overall Noise Reduction Coefficien
foam tiles perfectly aligned, professional sound quality
Color: Black Total Size: 30 * 30 *2. 5cm (12″*12″*1″) Package include: 48PACK
Compress the packaging.High quality products.Open the package for quick recovery.6 to 12 hours.