YGM Acoustic Rockwool® - Set of 4 | 40" x 20" x 3" | Sound Absorption Panels | NRC 1.0, 80 KG/M¬≥ Density | Room Isolation & Acoustical Soundproofing (Silver Grey) Pyramid 6'x3' Sheet Set of 8 | Size:

Set of 8 | Size: 2' x 1' x 1" (Two feet x One feet x One feet)

SOUND DAMPENING - Effective Sound Dampening for Everyday Spaces Works as a sound dampening solution to control sound reflections and improve overall acoustic balance for media rooms

The hassle-free installation ensures quick and efficient setup

reverb and flutter echoes and wall decoration

Mold-resistant

YGM Acoustic Rockwool® - Set of 4 | 40" x 20" x 3" | Sound Absorption Panels | NRC 1.0, 80 KG/M¬≥ Density | Room Isolation & Acoustical Soundproofing (Silver Grey) Pyramid 6'x3' Sheet Set of 8 | Size:The 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