6-Pack Acoustic Panels 23.6 x 23.6 x 0.4 in — Self-Adhesive Polyester Sound Panels, Earth Tone, 17.7 sq ft Coverage, Mid–High Frequency Noise Reduction

High-density polyester fiber construction delivers effective absorption of mid to high-frequency sounds, cutting down on echo and reverberation; rated with an NRC up to 1 for noticeable acoustic improvement. Each panel measures 23.6 x 23.6 x 0.4 inches and the six-piece set covers about 17.7 square feet, making it suitable for medium rooms or focused sound treatment areas. A strong 3M self-adhesive backing allows tool-free installation—no nails, screws, or extra glue required—just apply to a clean, dry surface. Panels feature a 45° bevel edge to minimize gaps when mounted and can be trimmed to custom shapes or sizes to match your décor and layout. Made from non-toxic polyester fiber that meets green E0 standards and is odor-free, these lightweight panels are safe for homes with children and pets. Ideal for home theaters, recording studios, offices, bedrooms, gaming rooms, and other spaces where clearer, quieter acoustics are desired.