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Your Ears May Be Covered, But Are You Protected?

Your Ears May Be Covered, But Are You Protected?

Hearing is one of the most vital senses, and one of the easiest to damage without noticing at the time. An estimated 11,000 cases of hearing problems were caused or made worse by work between 2019 and 2022. Once that damage is done, it doesn't reverse.

Not all hearing protection works the way you'd assume

Personal hearing protection comes in a few formats: earplugs, headband earmuffs worn over the head, neckband earmuffs worn around the neck, or earmuffs attached directly to head or face protection, such as a hard hat.

That last option is where most buyers make an assumption that isn't actually safe to make.

The rule most people don't know: fitting isn't the same as certified

Most safety helmets have an accessory slot on each side, built to take earmuffs or a face shield. Because these fitting points tend to look standard, it's easy to assume any earmuff will work with any helmet, as long as it physically clips on.

It doesn't work like that. The helmet and earmuff have to be tested and certified together as a combination, to the harmonised standard EN 352-3. Being able to physically attach an earmuff to a helmet is no guarantee the combination has been approved, or that it will perform as expected.

An approved combination will specify the exact helmet and earmuff models it covers, along with sizing and adjustability information (small, medium, large). If a tested combination doesn't cover all three sizes, it has to carry a specific warning statement under EN 352-3 instead.

What to actually check before buying

  • Both the helmet and the earmuffs carry CE and/or UKCA marking
  • The specific combination, not just each item individually, has been tested and certified together under EN 352-3
  • Sizing and adjustability information is provided on packaging or in the user instructions
  • If you're mixing helmet and earmuffs from different manufacturers, the combined system has still been tested and certified together, not just assumed to be compatible

Many manufacturers do co-operate to have their products tested together specifically so buyers have a genuine choice of certified combinations, so this isn't a rare or obscure detail to check for.

Fit testing: the step that catches what certification can't

Even a correctly certified combination can underperform if it doesn't fit the individual wearer well. Research shows people often receive less noise reduction than the label suggests, due to differences in fit, fitting skill, and how consistently the equipment is worn. UK labelling already applies a flat 4dB reduction to lab data to account for this gap.

The more accurate alternative is individual fit testing, which measures a Personal Attenuation Rating, the actual noise reduction a specific wearer is getting, either as a single number or a pass/fail result. Depending on the method, this can take anywhere from a few seconds to 20 minutes.

Why this is treated as seriously as it is

Under PPE Regulation (EU) 2016/425, all hearing protection used against harmful noise sits in Category III, the highest risk category, alongside respiratory and fall protection. Category III products are subject to ongoing annual independent quality assurance, precisely because the margin for error is so small.

The takeaway

Just because it fits doesn't necessarily mean you're protected. Checking that a helmet and earmuff combination is genuinely tested and certified together takes a few minutes. Finding out it wasn't tends to take a lot longer to put right.

Shop tested, certified hearing protection

We stock helmet and earmuff combinations tested and certified together to EN 352-3, so you're not left guessing.

Shop our EN352-3 Hearing protection →


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