YGM Acoustic Rockwool® - Set of 4 | 4' x 2' x 3" | Sound Absorption Panels | NRC 1.0, 80 KG/M¬≥ Density | Room Isolation & Acoustical Soundproofing (OG Black) Brown Door Insulation Kit for Sliding Noise Reduction Gap It may look thin or

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

YGM Acoustic Pyramids are a great solution for small flutter echo problem areas and

The surface area of this product is higher than Pyramid and Wedge due to its new design

iso booths and more

NRC: Made using high density Acoustic Polyurethane

YGM Acoustic Rockwool® - Set of 4 | 4' x 2' x 3" | Sound Absorption Panels | NRC 1.0, 80 KG/M¬≥ Density | Room Isolation & Acoustical Soundproofing (OG Black) Brown Door Insulation Kit for Sliding Noise Reduction Gap It may look thin orThe 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