YGM Acoustic Rockwool® - Set of 2 | 4' x 2' x 3" | Sound Absorption Panels | NRC 1.0, 80 KG/M¬≥ Density | Room Isolation & Acoustical Soundproofing (Silver Grey) Gasket Soundproofing Superior Sound Absorption: Features high-density

Superior Sound Absorption: Features high-density EVA foam and aluminum alloy panels for optimal noise reduction and sound reflection control during recording

when spread apart

simply wrap the insulating fabric sleeve around the foam cylinders and place under doors for an instant seal

STC > 35 DB certified by ARAI

YGM Acoustic Rockwool® - Set of 2 | 4' x 2' x 3" | Sound Absorption Panels | NRC 1.0, 80 KG/M¬≥ Density | Room Isolation & Acoustical Soundproofing (Silver Grey) Gasket Soundproofing Superior Sound Absorption: Features high-densityThe Professional Rockwool Acoustical Panels are Superior in sound absorption with NRC = 1 providing clearer, more enjoyable sound environment. 3 Inch Thick High Density Acoustic Core Extra depth provides superior low frequency absorption, effectively reducing echo, reverberation, and mid bass buildup for clearer speech and tighter, more controlled sound. Integrated 1 Inch Air Gap for Enhanced Absorption Built with a rear air cavity that improves sound