4-Pack Gray Acoustic Wall Panels — 2" Thick (23.62 x 11.81 in) Self-Adhesive Sound Absorbing Panels for Home & Office

This 4-pack of gray acoustic wall panels is designed to cut echoes and tame reverberation in home theaters, recording spaces, offices, classrooms, and more. Constructed with a 100% white fiberglass liner and rated with an NRC of 0.95, the panels excel at absorbing mid-to-high frequency noise to improve clarity for recording, mixing, or everyday comfort. Each panel measures 23.62 x 11.81 inches and is 2 inches / 5 cm thick. A strong 3M self-adhesive backing allows tool-free installation: simply peel and stick to most surfaces for faster mounting compared with traditional hardware. The material meets green E0 standards, is odorless and free of irritating chemicals, and is safe for skin and breathing contact. Finished in a modern gray, the panels blend with many decor styles while the 2-inch adhesive width ensures secure placement.