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🔕 Silence the noise, amplify your focus.
The 3M Peltor Optime II Comfort Earmuffs H520AC1 deliver premium hearing protection with a 31 dB noise reduction rating, designed to shield against noise levels between 94-105 dB. Featuring ergonomic foam cushioning and a reduced pressure fit, these black earmuffs provide all-day comfort and durability, making them ideal for shooting, industrial, or noisy environments. Trusted by professionals, they combine 3M’s cutting-edge technology with a sleek, lightweight design for reliable, long-lasting use.

| ASIN | B09T3FTH89 |
| Age Range Description | 18+ |
| Best Sellers Rank | 52,558 in DIY & Tools ( See Top 100 in DIY & Tools ) 108 in Safety Earmuffs |
| Brand Name | 3M |
| Closure Type | no_closure |
| Colour | Black |
| Country Of Origin | Poland |
| Customer Reviews | 4.5 out of 5 stars 288 Reviews |
| Fit Type | Standard |
| Fit to Size Sentiment | Positive |
| Garment Size Country | Great Britain |
| Global Trade Identification Number | 05902658115523 |
| Included Components | Earmuffs |
| Item Dimensions | 13 x 10.5 x 19.5 centimetres |
| Item Type Name | 3M Peltor Optime II Comfort Earmuffs H520A, 1/PK (94 - 105 dB) |
| Item Weight | 0.2 Kilograms |
| Manufacturer | 3M |
| Manufacturer Part Number | H520AC1 |
| Material Type | Foam |
| Model Number | H520AC1 |
| Noise Control | Sound Isolation |
| Noise Reduction Rating (NRR) | 31 Decibels |
| Pattern | Single |
| Product Style | Unique |
| Single Number Rating (SNR) | 31 Decibels |
| Size | One Size |
| Sleeve Length Description | Long Sleeve |
| Unit Count | 1.0 count |
A**W
3M Peltor Optime II Comfort Earmuffs H520A
TL;DR: A dependable spare pair for clay pigeon shooting, well built and does exactly what you need. Picked these up as an extra pair to have on hand when taking guests out shooting. They do the job without any fuss and the build quality is immediately apparent when you hold them, which matters when you are handing something to a first-timer who might not treat it gently. Not much more to say beyond that they are 3M Peltor, so you know what you are getting. Good attenuation, comfortable enough for a session at the range, and they feel like they will last. Exactly what a spare pair should be.
S**E
Great product
Bought these for shooting when travelling abroad, good tight fit and decent hearing protection.
A**N
Recommended
Have used this style for nearly 20 years now. Well worth the money and even better for protecting your hearing.
R**H
Great, but green, not black!
Great quality ear defenders and do almost as a good a job of ear protection as a the Optime III but in a more sensible size. Although note that the product description is slightly misleading - these have dark green outer shells, not black.
M**I
Great sound reduction - protect your ears!
Bought these when the inner ear foam pellets weren’t quite enough. This is a substantial improvement and are, in my opinion, for life. Great build quality as expected with 3M and these dampen the whole spectrum whilst also noticeably reducing the top end, which is what is likely to cause the most damage. I find I prefer taking them off or slightly removing off one ear when walking around the ground, just because it makes conversations easier to hear. Whilst they are big and bulky, they are light. I have found a comfortable position where they don’t get in the way of my shoot when the gun is pulled up to my face.
R**C
Fits a large head well.
Fit very well, on my large head. They're comfy so I am able to wear them for prolonged periods of time which is something I have struggled with in the past. I am really noticing the difference on my ears as I am able to wear these for a much longer period than other brands I have tried before.
P**K
Very good
A comfy fit and very good ear protection
L**A
Not brand new, but already used and returned
The product arrived in a box damaged and fully opened. Moreover, it was full of white dust, so it has been obviously used and returned without either caring of cleaning or packaging it back nicely. I'm returning it as I don't like to pay for a new item and then get one which has been already used possibly by more people before being delivered to myself.
C**N
trés efficace
cet article est super et trés efficace, aucun problème ...
I**E
Pas du tout "élégant"
Mon mari ayant des problèmes de bruit porte constamment ce casque. Il est assez efficace (mais pour lui il laisse encore passer trop de bruit). Pour moi, c'est horrible de voir mon mari avec ce lourd casque se promener dans la maison (et même dans la rue ...). N'y a-t-il vraiment pas moyen de faire un casque relativement efficace (on ne sait jamais supprimer tout le bruit) plus "discret" (déjà le noir est très voyant, e métallisé serait peut-être plus "élégant" ?
C**N
Comodidad y aislamiento
Trabajo con pistola de aire, atenúan bastante el ruido aunque te permite llevar una conversación.
B**O
Guter Schutz bis .357 mag
Guter passiver Gehörschutz. Unterhaltungen sind noch möglich und guter Schutz für die gängigen Pistolenkaliber. Selbst getestet bis .357 mag.
N**E
Pretty good but...
...the metal part bends a bit too easily. I managed to bend it just by adjusting the size. You'll have to be a bit gentle with them, and that might not always be the case when out-and-about doing stuff.
Trustpilot
1 month ago
1 week ago