EN 352 is a European standard that specifies requirements for hearing protection equipment designed to protect users from exposure to loud noise. EN 352 certification is given to hearing protection devices that meet these standards. This certification indicates that the device has been tested and found to provide a certain level of protection against noise, and that it meets certain safety and performance requirements. EN 352 certification is vital for users who are concerned about protecting their hearing. By choosing hearing protection devices that are EN 352 certified, users can be confident that they are using equipment that meets certain safety and performance standards, and that will effectively protect their hearing.