Gray Acoustic Wall Panels 4-Pack — 2" Thick (23.62 x 11.81 in / 60 x 30 cm) 100% White Fiberglass, Self-Adhesive 3M Soundproofing (NRC 0.95) for Home, Office, Studio

High-performance sound control in a renter-friendly format: these gray acoustic wall panels come in a 4-pack and are built with a 100% white fiberglass liner and a 2" / 5 cm thickness that delivers an NRC of up to 0.95. They excel at absorbing mid-to-high frequency noise to reduce echoes and reverberation for clearer audio. Installation is fast and tool-free thanks to a strong 3M self-adhesive backing—no drilling required—making them ideal for renters and homeowners who want a simple noise-reduction upgrade. The panels are odor-free and comply with green E0 standards, safe for both breathing and skin contact and suitable for sustained indoor use. Use them in home theaters, recording studios, offices, meeting rooms, classrooms, and similar spaces to improve acoustic comfort. Each pack includes 4 panels; each panel measures 23.62 x 11.81 inches / 60 x 30 cm, with a 2-inch / 5 cm adhesive width, providing flexible placement options and ample coverage.