Auralex Elite PlatFoam IsoSheet 2x4 Foot 2 Inch Foam (Box of 16)

1” Platfoam Isolation Sheets offer the same isolation benefits as the popular MoPADs. When installing speakers in wall enclosures or cabinets, 1” Platfoam is the simplest, most cost effective way to decouple your speakers. The structural resonance will be reduced and the tonal quality will be greatly improved through the isolation Platfoam yields.