Hearing Protection Resources

  •  

    Sound solutions. Applied to hearing loss prevention.

     

    We understand the needs of Canadian workers loud and clear. What level of hearing protection are your employees actually receiving? Every employee is different. Every job is different. Every ear is different. Noise induced hearing loss is 100% preventable.

  • EARFit System

    E-A-Rfit Dual-Ear Validation System

    How do you decide what Hearing Protection you need to offer your workers? If you are simply using the NRR found on the box of ear plugs as a guide you may not be providing accurate protection levels for every worker. Ears come in many shapes and sizes and to make sure all workers are getting the protection they need, you need to know their Personal Attenuation Rating (PAR).

    Watch Video EARFitValidationRequest a demo


Safety Ratings

Hearing Protection Devices (HPDs) are selected based on the noise exposure at the workplace. Other important considerations are comfort, fit, ability to communicate, compatibility with other personal protective equipment and the workplace environment. The following methods can be used to select the most appropriate HPD: Noise Reduction Rating (NRR), CSA Class, Octave Band or Fit Testing.

  • Noise Reduction Rating (NRR)

    The NRR is a single number method that describes the overall sound level reduction across frequencies (attenuation) of a HPD in decibels (dB) based on a laboratory test. Since the NRR is a laboratory test it is recognized that it may overestimate the protection achieved by users in their workplace settings. Therefore, it is recommended that the NRR be derated in order to better estimate workplace protection. The NRR derating scheme can be found in CSA Z94.2-14 Hearing Protection Devices Standards, Table 2: Effective rating calculations for the NRR.


     

  • CSA Class

    The CSA Class describes the sound level reduction (attenuation) of a HPD using the letters A, B, or C which pre-assigns the HPD according to defined attenuation ranges. The CSA Class can be found in CSA Z94.2-14 Hearing Protection Devices Standards, Table 3: Assignment of class based on the octave band attenuation values measured according to ANSI S3.19. It is important to note that the Class pertains only to level of attenuation of the HPD, not to any of its other characteristics.

     

 

We strive to deliver comfortable, well-designed products that offer your workers the best hearing protection available. At 3M we're dedicated to the success of your entire hearing conservation program.

A worker wearing hearing protection ear plugs

Hearing protection

Noise-induced hearing loss is 100% preventable with properly fitted hearing protection.

FIND PRODUCTS BY NOISE REDUCTION RATING
A construction worker wearing the 3M™ PELTOR™ Wireless Communication Accessory.

3M™ PELTOR™ Wireless Communication Accessory

Hearing protection and communication without compromise.

Learn more

DO NOT DELETE
Noise Reduction Rating (NRR)
The NRR is a single-number method that describes the overall sound reduction across frequencies (attenuation) of an HPD in decibels (dB) based on  a laboratory test. Since the NRR is a laboratory test, it is recognized that it may overestimate the protection achieved by users in their workplace settings. Therefore, it is recommended that the NRR be derated in order to better estimate workplace protection. The NRR derating scheme can be found in CSA Z94.2-14 Hearing Protection Devices Standards, Table 2: Effective rating calculations for the NRR.
Noise Reduction Rating (NRR)
The NRR is a single-number method that describes the overall sound reduction across frequencies (attenuation) of an HPD in decibels (dB) based on  a laboratory test. Since the NRR is a laboratory test, it is recognized that it may overestimate the protection achieved by users in their workplace settings. Therefore, it is recommended that the NRR be derated in order to better estimate workplace protection. The NRR derating scheme can be found in CSA Z94.2-14 Hearing Protection Devices Standards, Table 2: Effective rating calculations for the NRR.
CSA Class
The CSA Class describes the sound level reduction (attenuation) of an HPD using the letters A, B, or C, which pre-assigns the HPD according to defined attenuation ranges. The CSA Class can be found in CSA Z94.2-14 Hearing Protection Devices Standards, Table 3: Assignment of class based on the octave band attenuation values measured according to ANSI S3.19. It is important to note that the Class pertains only to level of attenuation of the HPD, not to any of its other characteristics.
CSA Class
The CSA Class describes the sound level reduction (attenuation) of an HPD using the letters A, B, or C, which pre-assigns the HPD according to defined attenuation ranges. The CSA Class can be found in CSA Z94.2-14 Hearing Protection Devices Standards, Table 3: Assignment of class based on the octave band attenuation values measured according to ANSI S3.19. It is important to note that the Class pertains only to level of attenuation of the HPD, not to any of its other characteristics.

Find products by noise reduction rating

The NRR is a single-number method that describes the overall sound level reduction across frequencies (attenuation) of a hearing protection device (HPD) in decibels (dB) based on a laboratory test. Read more


Drag the sliders to select the range of noise reduction that you need.

Find products by CSA class

The CSA Class describes the sound level reduction (attenuation) of an HPD, which pre-assigns the HPD according to defined attenuation ranges. Read more

  • Class A icon
  • Class AL icon
  • Class B icon
  • Class BL icon

Featured hearing protection products

  • 3M™ E-A-R™ Classic Earplugs

    The Classic is 3M's most popular foam ear plug. It's easy to insert and provides great protection.

  • 3M™ Yellow Neons Earplugs

    These ear plugs offer the highest NPR available. Made from an advanced foam formulation for smooth in-ear comfort and all-day wearability.

  • 3M™ UltraFit Earplugs

    Ear plugs that can do it all. These earplugs are hygienic, durable, and reusable, and you don't need to roll them down before fitting.

  • 3M™Push-to-fit Ear Plugs

    The comfort of slow-recovery foam with the convenience of a push-in ear plug helps to prevent hand-to-ear contamination.


Resources to strengthen worker training and motivation programs

Request a demo

Technical Assistance: 1-800-267-4414 Technical Assistance: 1-800-267-4414 Customer Service: 1-800-3M-HELPS (364-3577) Customer Service: 1-800-3M-HELPS (364-3577)
Other 3M Sites:
Partner Portal
Follow Us
3M, 3M Science. Applied to Life., E-A-R, Peltor, Optime, Versaflo, Adflo, Vflex, and Speedglas are trademarks of 3M. Used under license in Canada.