YGM Acoustic Rockwool® - Set of 2 | 40" x 20" x 3" | Sound Absorption Panels | NRC 1.0, 80 KG/M³ Density | Room Isolation & Acoustical Soundproofing (Warm Beige) EPDM reverberation

reverberation

It may look thin or not as expected in first look but Please follow the "How to restore Vacuum Compressed Packaging" instructions given in the 3rd Image of this product or the instruction pamphlet that you will find inside the package

Coverage area varies by selected pack size

youtube video recordings

The groves of Turbo acoustic foam trap any reflective sound which tries to escape

YGM Acoustic Rockwool® - Set of 2 | 40" x 20" x 3" | Sound Absorption Panels | NRC 1.0, 80 KG/M³ Density | Room Isolation & Acoustical Soundproofing (Warm Beige) EPDM reverberationThe 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