24-Pack Extra-Thick Sound-Absorbing Foam — Self-Adhesive Version; 12″ x 12″ x 2″ High-Density Wedge Shape; Flame-Retardant Wall Soundproofing Panels; Suitable for Home Offices & Recording Studios (Black)

These curved-surface acoustic foam panels represent an optimization of the traditional wedge design: the surface features smooth, undulating waves rather than sharp, angular edges. This design not only effectively absorbs sound waves but also mitigates the “comb filtering” effect often caused by high-frequency diffraction. This 24-piece set of extra-thick acoustic foam panels features individual dimensions of 3×12×12 inches (with a 3-inch thickness), making it a “heavy-duty, enhanced version” among comparable products. The material consists of high-resilience polyurethane foam with a density of approximately 24 kg/m³, and it has passed flame-retardancy testing. The curved surface ensures that incoming sound waves undergo a gradual process of reflection and absorption, making these panels particularly effective for treating high-frequency overtones in vocals and musical instruments. Each package includes 150 high-quality double-sided adhesive tabs—more than enough to mount all 24 panels, with plenty left over as spares. You can install them on the conversation walls of your home office, on recording studio ceilings, or behind the speakers in your gaming room. The 3-inch depth offers superior low-frequency absorption compared to standard 1-inch or 2-inch products, helping to give your room’s acoustics a warmer, more natural sound. Product 6
Name: 24-Pack Extra-Thick Acoustic Foam Panels | 12×12×2 Inches Each | Wall Acoustic Treatment Tiles | Soundproofing Foam (12 Black + 12 Purple)