PPE & HEIGHT SAFETY

KASK Earmuffs: SC1, SC2 & SC3 Compared

Compare KASK SC1, SC2 and SC3 earmuffs, including SNR ratings, typical noise environments and helmet compatibility to help choose the right level of hearing protection.


KASK Earmuffs: SC1, SC2 & SC3 Compared

Hearing protection is an important consideration when working in environments where noise levels can put hearing at risk. KASK offers three helmet-mounted earmuff options — SC1, SC2 and SC3 — providing different levels of noise attenuation for different working environments.  

All three models are certified to EN 352-3 and compatible with KASK Helmets, with different SNR ratings to suit low, medium and high-noise applications. In this article, we’ll compare the three options and look at where each one is best suited. 


KASK SC1 Earmuffs – SNR 25dB

KASK SC1 Earmuffs are suitable for use in environments with low-to-medium noise levels including construction sites, workshops, or industrial work areas. They provide an SNR of 25dB when used with compatible helmets including Plasma, SuperPlasma, Quantum, Primero and Zenith X models.
 KASK SC1 Earmuffs – SNR 25dB

KASK SC2 Earmuffs – SNR 29dB

 KASK SC2 Earmuffs – SNR 29dB
KASK SC2 Earmuffs offer a higher level of protection than the SC1 Earmuffs, suited to environments with medium to high noise levels. With an SNR of 29dB, they are recommended for use in industries such as building and construction, forestry use, industrial areas, production areas, agriculture, etc.

KASK SC3 Earmuffs- SNR 31dB

KASK SC3 Earmuffs offer the highest level of protection with an impressive SNR of 31dB. They are best suited to extremely noisy environments including airports, car racing, or when using pneumatic drills.
 KASK SC3 Earmuffs- SNR 31dB

KASK Earmuffs: SC1 vs SC2 vs SC3

Model Colour SNR Typical Noise Level Example Applications
KASK SC1 Green 25dB Low to medium General industrial work areas
KASK SC2 Yellow 29dB Medium to high Construction, forestry, industrial and production environments
KASK SC3 Orange 31dB High Airports, motorsport and work involving pneumatic drills

  • Why You Should Wear KASK Earmuffs

    Effective Noise Reduction:

    KASK offers three levels of hearing protection — SC1, SC2 and SC3 — with different SNR ratings for different noise environments. This allows users to select a level of attenuation suited to the conditions they are working in.

    Comfort and Fit:

    KASK Earmuffs feature cushioned ear cups and an adjustable helmet-mounted system that can be adapted to different head shapes and sizes. This helps keep the earmuffs comfortable during extended wear while making them practical for regular use throughout the day.

    Different Protection Levels:

    The range covers low-to-medium, medium-to-high and high-noise environments, allowing the level of hearing protection to be matched more closely to the application rather than relying on one earmuff for every situation.

    Helmet Compatibility:

    KASK Earmuffs are developed for use with KASK helmets, with direct mounting available on selected helmet ranges and adapters required for others.


  • KASK Earmuff Compatibility Note: KASK Earmuffs attach directly to ZENITH, ZENITH X, PRIMERO and QUANTUM Series helmets. For SuperPlasma Series helmets, Plasma Earmuff Adaptors are required for attachment.


KASK Earmuffs for Different Noise Environments

The KASK earmuff range gives users three levels of hearing protection to choose from, with the SC1, SC2 and SC3 offering different SNR ratings for different working environments.

Choosing the right model comes down to the level of noise attenuation required and the helmet it will be used with. Once those two factors are matched correctly, the range provides a practical helmet-mounted hearing protection solution for a variety of industrial and work-at-height applications.

Browse the KASK Earmuff range
at MTN SHOP
to compare the SC1, SC2 and SC3 models and find the option that best suits your working environment.

Frequently Asked Questions


The main difference is the level of noise attenuation they provide. SC1 is suited to lower-to-medium noise environments, SC2 to medium-to-high noise, and SC3 to higher-noise applications.
KASK SC1 earmuffs provide an SNR of 25dB when used with compatible helmets such as Plasma, SuperPlasma, Quantum, Primero and Zenith X models.
KASK SC2 earmuffs provide an SNR of 29dB, offering a higher level of attenuation than SC1 for noisier working environments.
KASK SC3 earmuffs provide an SNR of 31dB, making them the highest-attenuation option in the KASK earmuff range.
They are compatible across KASK helmet ranges, but the mounting method varies. They attach directly to ZENITH, ZENITH X, PRIMERO and QUANTUM Series helmets, while Plasma, SuperPlasma and HP Series helmets require Plasma Earmuff Adaptors.

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