All of our products are tested and approved in accordance with ANSI S3.19-1974 specifications. As such, they meet OSHA and NIOSH requirements to be used as hearing protectors in the workplace. When used as directed, our products offer a Noise Reduction Rating (NRR) of...
An official Noise Reduction Rating (NRR) is a certification of the number of decibels a noise level can be reduced by with the proper application of the device being tested. This rating is important because it allows consumers to choose devices that will provide adequate noise reduction given their normal activities and usage.
Millions of people each year suffer from Noise Induced Hearing Loss (NIHL), many of whom have been exposed to excessive noise at work or during leisure activities, such as mowing. This is why ISOtunes is committed to personal safety. With our earphone products, we do our part to not only protect your ears from loud outside noises, but allow you to appreciate the sounds of the world around you for years to come.
*Note: ISOtunes products are also tested and approved in accordance with European EN 352 standards. The NRR equivalence in Europe is SNR (Single Number Rating) and the PRO has a 32 SNR.