HERTBER Soundproof Sheet Hexagonal Sound Absorbing Material 12 Pieces Sound Insulating Sheet Soundproofing Material High Density Soundproofing Panel

【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.

【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary.

【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product.

【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer.

[About clocks that synchronize time via radio waves] The function of clocks that synchronize time via radio waves only works in the Japanese area. Please be careful. 【Easy to install】- To solve the problem of difficult installation, we have upgraded the soundproof sheet backed with strong adhesive. Simply peel off the kraft paper on the back of the soundproof panel and secure it in the desired position. Self-adhesive design means no need for extra tape, just make sure the installation location is clean and dry. 【Excellent Acoustic Treatment Performance】- Our sound absorption material is researched and produced by a professional team to have better acoustic performance. Its ability to absorb echoes, flutter echoes, standing waves and reverberations will amaze you. 【Decorative Appearance】- Our acoustic sound insulation sheets have a hexagonal appearance, 12 pieces, each size is 30x26x0.9cm. Because it is easy to cut and has a stylish shape, you can cut and connect the soundproofing material to your desired shape. And use soundproof sheet walls to create different styles of decorative wall art in your favorite spaces! 【Multiple Usable Scenarios】- Soundproofing materials can exhibit great echo suppression and absorption ability in most scenes, such as recording rooms, musical instrument studios, offices, bedrooms, etc. And it is suitable for many surfaces like wood, glass, latex paint etc. By using sound-absorbing sheets, you can achieve a more comfortable environment and quality of life. 【Quality Assurance】- All of our sound absorbing materials white are tested regularly in our studio before going on the market. Our self-adhesive soundproofing sheets are superior in quality to other similar products. Look for Hertber acoustic boards. If by any chance you are not satisfied with the product, we guarantee a full refund or free replacement. High-quality sound-absorbing materials, sound-absorbing adhesives, sound-absorbing panels, sound-proofing sheets