4-Pack Acoustic Wall Panels, 24x12x1.78in Elliptical-Line Soundproof Foam, NRC>0.95, High-Density Self-Adhesive, Odorless, Apartment & Studio Friendly

- Tri-layer Composite Structure: Two outer high-density polyester fiberboard layers encase a porous, high-density sound-absorbing cotton core for superior acoustic damping. - 3D Perforated Wood h: Precision UV-printed 0.1mm wood grain and sub-millimeter engraved perforations form a three-dimensional, light-transmitting textured surface that merges acoustic function with decor. - Pro Audio Absorption: Engineered with a 230 kg/m³ polyester base and 35 kg/m³ polyurethane foam, boasting >95% porosity to cut echoes, reverberation, standing waves and background noise across frequencies. - Versatile Applications: Modular design adapts to professional studios, home theaters, offices, study and gaming rooms, offering acoustic optimization, decorative appeal and fire-resistant characteristics. - Easy Peel-and-Stick Installation: Full-surface high-tack adhesive supports horizontal or vertical seamless splicing for quick DIY mounting; heated removal recommended to protect walls. - Pack & Specifications: Four panels per pack, each 24×12×1.78in (total 7.7 sq ft); available in 3 colorways and 9 perforation patterns, CNC-cut with hand-hed edges and a defect rate under 0.3%.