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. 

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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. 

These products have been independently tested to a 33 NRR.

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SoftSeal™
The Highest Independently Tested NRR in Earplugs – 33 NRR! The most popular disposable earplug
SoftSeal™ MD
The Highest Independently Tested NRR in Earplugs – 33 NRR – plus metal detectable! Tapered

This product has been independently tested to a 31 NRR.

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GloPlugz®
The economical, disposable foam earplug solution. Extremely smooth, tapered design allows for easy insertion. Non-allergenic

This product has been independently tested to a 30 NRR.

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Nextera®
Manufactured with top quality components to provide the highest independently tested NRR in earmuffs –

These products have been independently tested to a 29 NRR.

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Golden Eagle™
Golden Eagle earmuffs provide reliable, military-grade hearing protection. Four-point, stainless steel suspension for low, even
SoundShield™
The highest rated, independently tested, three-position earmuff! Dielectric, three-position muff, also available in cap-mount versions.
SoundOut™ II
Award winning for style and comfort, plus high NRR! Three-position, adjustable length and dielectric design

This product has been independently tested to a 28 NRR (cap-mount version).

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SoundShield™
The highest rated, independently tested, three-position earmuff! Dielectric, three-position muff, also available in cap-mount versions.

These products have been independently tested to a 27 NRR. (Earmuffs in cap-mount versions)

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Tri-Grip®
The Industry Choice in Reusable Earplugs! Independently tested 27 Noise Reduction Rating – the highest
Tri-Grip® JR
The original, patented Tri-Grip design, sized 10% smaller! Independently tested 27 Noise Reduction Rating –
Tri-Grip® MD
The popular Tri-Grip design, with metal detectability! Industry standard, metal detectability, with a metal insert
Tri-Grip® MD JR
The popular Tri-Grip design, with metal detectability and in a smaller size! Industry standard, metal
Tri-Grip® MTek®
Revolutionary, tip-to-tip detectability! Next generation metal detectability, with metal-infused resin in the plugs and cord,
Tri-Grip® MTek® JR
Revolutionary, tip-to-tip detectability, in a smaller size! Next generation metal detectability, with metal-infused resin in
Golden Eagle™
Golden Eagle earmuffs provide reliable, military-grade hearing protection. Four-point, stainless steel suspension for low, even
BlackHawk™
High-performing, dielectric earmuff, in over-the-head and cap-mount versions. Three-position model allows for user adjustment. Specialized,

These products have been independently tested to a 26 NRR. (Cap-mount version)

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Golden Eagle™
Golden Eagle earmuffs provide reliable, military-grade hearing protection. Four-point, stainless steel suspension for low, even

These products have been independently tested to a 25 NRR. 

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SoundStar™
A family of premium earmuff solutions offering superior comfort. Manufactured with high-quality, stainless steel components.
SoundStar™ JR
A premium earmuff style…sized 10% smaller! Manufactured with high-quality, stainless steel components. Headband features a
SoundDecision™
SoundDecision is an economical option for limited hearing protection budgets. Three-position, over-the-head, dielectric earmuff. Fully
Silhouette™
Silhouette is a cost-effective, foldable earmuff solution. Low profile and lightweight design. Soft-Seal ear cushions

These products have been independently tested to a 24 NRR. (BlackHawk cap-mount version)

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BlackHawk™
High-performing, dielectric earmuff, in over-the-head and cap-mount versions. Three-position model allows for user adjustment. Specialized,
Apache™
Apache is one of the lightest weight earmuffs available. Three-position model allows for user adjustment.

These products have been independently tested to a 25 NRR. 

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SoundStar™
A family of premium earmuff solutions offering superior comfort. Manufactured with high-quality, stainless steel components.

These products have been independently tested to a 22 NRR.

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Contra-Band™
Convenient hearing band worn under the chin. Soft, replaceable plugs with ‘air bubble’ tip. Lightweight
Contra-Band™ MTek®
Convenient hearing band worn under the chin, in a metal detectable version! Soft, replaceable, metal