Sound-Absorbing Principle: High-quality polyester fiber material and porous structure in soundproof wall panels capture and absorb air vibrations in sound waves；effectively reduce sound reflection and echo；improve the purity and clarity of sound；install as a whole for higher noise reduction | Brick Acoustic Wall Panel: Brick design adds beauty to your interior；complements various decorating styles；provides sound absorption and enhances visual appeal；can be cut and assembled into different shapes for customizable designs | High-Quality Material: Made of 100% high-quality polyester fiber material；soundproof foam panels for walls are durable and wear-resistant | Self-Adhesive: Soundproof wall panels are self-adhesive；can be installed without additional tools；easily applied to walls, doors, windows, and ceilings | About Disassembly: If dismantling is needed, heat the sound insulation board with a hair dryer before peeling it off | Wide Application: Self-adhesive acoustic panels are widely used for acoustic treatment in various spaces；including homes, offices, recording studios, live broadcasts, and conference rooms；improve the acoustic environment；enhance sound quality and comfort | Coverage Area: 12 pieces cover 11.6 square feet；wall tile sound-absorbing panels adopt a 45° bevel design；leave no gaps during installation and maintain aesthetics