Hearing Protection Product Testing
Hearing protection product testing
Michael & Associates
Gateway Safety Hearing Protection products are independently tested by Michael & Associates, a psychoacoustics laboratory accredited by the National Institute of Standards and Technology (NIST) National Voluntary Laboratory Accreditation Program (NVLAP) for tests performed according to ANSI S3.19-1974, ANSI S12.6-2008 and AS/NZ S1270:2002.
These products have been independently tested to the below Noise Reduction Ratings (NRRs) in an accredited NVLAP-certified facility according to ANSI S3.19-1974.
![NRR33](https://gatewaysafety.com/wp-content/uploads/2023/12/NRR33.png)
These products have been independently tested to a 33 NRR.
![31NRR](https://gatewaysafety.com/wp-content/uploads/2023/06/31NRR.jpg)
This product has been independently tested to a 31 NRR.
![NRR30-100](https://gatewaysafety.com/wp-content/uploads/2023/11/NRR30-100.jpg)
This product has been independently tested to a 30 NRR.
![29NRR](https://gatewaysafety.com/wp-content/uploads/2023/06/29NRR.jpg)
These products have been independently tested to a 29 NRR.
![](https://gatewaysafety.com/wp-content/uploads/2023/06/Golden-Eagle-957101.jpg)
![](https://gatewaysafety.com/wp-content/uploads/2023/06/SoundShield_959360-web.jpg)
![](https://gatewaysafety.com/wp-content/uploads/2023/12/Soundout-IIc.jpg)
![28NRR](https://gatewaysafety.com/wp-content/uploads/2023/06/28NRR.jpg)
This product has been independently tested to a 28 NRR (cap-mount version).
![27NRR](https://gatewaysafety.com/wp-content/uploads/2023/06/27NRR.jpg)
These products have been independently tested to a 27 NRR. (Earmuffs in cap-mount versions)
![](https://gatewaysafety.com/wp-content/uploads/2023/05/94a72e62-916f-471a-804b-55aede1dec7e.jpg)
![](https://gatewaysafety.com/wp-content/uploads/2023/05/TriGrip-JR.jpg)
![](https://gatewaysafety.com/wp-content/uploads/2023/01/TriGripMD_main.jpg)
![](https://gatewaysafety.com/wp-content/uploads/2023/05/TriGrip-MD-JR_944580-1.jpg)
![](https://gatewaysafety.com/wp-content/uploads/2023/05/TriGrip-MTek_945880.jpg)
![](https://gatewaysafety.com/wp-content/uploads/2023/05/TriGrip-MTek-JR_946880.jpg)
![](https://gatewaysafety.com/wp-content/uploads/2023/06/Golden-Eagle-957101.jpg)
![](https://gatewaysafety.com/wp-content/uploads/2023/05/Blackhawk-c.jpg)
![NRR26](https://gatewaysafety.com/wp-content/uploads/2023/12/NRR26.png)
These products have been independently tested to a 26 NRR. (Cap-mount version)
![25NRR](https://gatewaysafety.com/wp-content/uploads/2023/06/25NRR.jpg)
These products have been independently tested to a 25 NRR.
![](https://gatewaysafety.com/wp-content/uploads/2023/01/SoundStar_main-NEW-2.jpg)
![](https://gatewaysafety.com/wp-content/uploads/2023/01/SoundStarJR_main.jpg)
![](https://gatewaysafety.com/wp-content/uploads/2023/01/soundd-main.jpg)
![](https://gatewaysafety.com/wp-content/uploads/2023/12/Silhouette3.jpg)
![24-NRR](https://gatewaysafety.com/wp-content/uploads/2023/05/24-NRR.png)
These products have been independently tested to a 24 NRR. (BlackHawk cap-mount version)
![NRR23](https://gatewaysafety.com/wp-content/uploads/2023/12/NRR23.png)
These products have been independently tested to a 25 NRR.
![22-NRR](https://gatewaysafety.com/wp-content/uploads/2023/05/22-NRR.png)
These products have been independently tested to a 22 NRR.