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 keeping warm or cool air

keeping warm or cool air inside your home

effectively reducing echo

iso booths and more

better is acoustic

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 keeping warm or cool airThe 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