Hychins Upgrade 6 Pack Pyramid Sound Proof Foam Panels For Walls With ??Professional Acoustic Treatment? HYCHINS sound proof foam panels for walls adopt a novel pyramids design and high-density polyethylene foam material. The contact area between the acoustic panels and the sound wave is increased offer unmatched sound performance, which can effectively reduce flutter echo, reverberation, standing wave and high-frequency noise. Experience the difference with our soundproof wall panels perfect for various sound treatment needs, the more acoustic foam you use, the better the overall effect. ??Convenient Self-Adhesive? For HYCHINS sound proof panels for walls, you don't need to buy additional spray glue and double-sided tape. Our sound dampening panels comes with a self-adhesive layer, tear off the kraft paper on the back and stick it at will. The strong and long-lasting adhesive keeps the noise dampening panels firmly fixed on the wall. At the same time, we also provided some additional double-sided tapes for free in case of any special situation. Easy to install, don't worry about falling off. ??Larger and Thicker? HYCHINS acoustic panels sound absorbing are larger, thicker and easier to install than traditional 1" X 12" X 12" acoustic wall panels, reducing the risk of gaps or unsightly seams due to installation errors. Our sound absorbing panel with a pyramid 3D acoustic design, it effectively enhances sound insulation and reduces external noise. Sound absorbing foam is ideal for homes or studios, helping to reduce reverberation, vibration echo, and unnecessary reflections. ??Recovery In Seconds? HYCHINS sound proofing panels for walls is made of 100% super high resilience PU sponge polymer material instantly pressed by dozens of high temperature new technology. It is full of elasticity and toughness, it will quickly expand and return to its original shape within 10 seconds after opening the package. No need to soak and wait. Our acoustic foam panels panels perfect for professional studios, video bloggers, home theaters, rehearsal rooms, concert halls, podcasting, offices, etc. ??Quality Professional Service Guarantee? Each HYCHINS sound panels noise reducing for walls undergo several strict quality inspections before leaving the factory. If you have questions or are dissatisfied with our sound proof panels, please feel free to contact us, we will reply to you within 24 hours and give you a satisfactory solution. Your suggestion is the greatest support for us.