Do these fit other hard hats or just JSP ones; thanks in advance

I've tried them up with 3 different hats none of which was JSP. They've fitted all of them but in some of them didn't snap while mounting them into the slots in the hats. As a result, they can slide out with time but it wasn't a trouble for me. Just had to mount it again.

Please can you tell me if the defenders can be rotated around when on the hard hat I assume they can be, but it doesn’t actually say they can be.

Yes, they can be positioned on the top, front and or rear

Sonis | Desertcart Peru

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Description

🔕 Silence the noise, amplify your focus.

CUSTOM COMFORT FIT - Adjustable steel arms and ventilated or reflective headbands ensure all-day wearability without fatigue.
HYGIENE LONGEVITY - Easily replaceable cushions and hygiene kits keep your ear defenders fresh and ready for every shift.
CERTIFIED SAFETY ASSURANCE - Kitemarked and EN352 certified to keep you compliant and confident on the job.
OPTIMIZED ACOUSTIC PERFORMANCE - Frequency-tuned foam cushions deliver superior sound isolation tailored to your environment.
UNMATCHED NOISE BLOCKING POWER - Experience industry-leading 37dB SNR for ultimate focus and protection.

The SONIS ear defenders by JSP combine cutting-edge acoustic engineering with certified safety standards, offering up to 37dB noise reduction. Designed with adjustable steel arms and choice of ventilated or reflective headbands, they provide a customizable, comfortable fit for professional use. Certified to EN352-1 and EN352-3, these helmet-mounted ear defenders ensure compliance and durability, backed by over 60 years of trusted PPE expertise.

Specifications

ASIN	B07943SY8X
Age Range Description	Adult
Best Sellers Rank	13,964 in DIY & Tools ( See Top 100 in DIY & Tools ) 53 in Safety Earmuffs
Brand Name	JSP
Care instructions	Hand Wash
Closure Type	Adjustable
Colour	Grey / Orange
Customer Reviews	4.6 out of 5 stars 367 Reviews
Fit Type	Behind the Head
Fit to Size Sentiment	Good
Garment Size Country	United Arab Emirates
Global Trade Identification Number	05038428263085
Item Type Name	Ear Defenders
Item Weight	0.29 Kilograms
Manufacturer	JSP Safety
Manufacturer Part Number	AEB030-0CY-0G1
Material Type	Foam
Model Number	AEB030-0CY-000
Noise Control	Sound Isolation
Noise Reduction Rating (NRR)	31 Decibels
Pattern	Solid
Product Style	Helmet Mounted
Single Number Rating (SNR)	31 Decibels
Size	One Size
Unit Count	1.0 count

Reviews

A**A

Comfortable & Safe

Really good, comfortable + saves the Headache of looking for Ear Defenders

23.10.2025

A**E

Good value

Good quality and good fitting

20.10.2024

K**R

Excellent

Great piece of kit, use 5 days a week.

4.03.2026

R**L

Great kit but lifts helmet when wearing defenders

Great kit, tight fit to my helmet but lifts it up abit when ear defenders are placed over ears.

23.09.2025

M**V

TOP

Very good Ear Defenders which helped me for noise reduction and also the weight is not to much when I wear it all day with the helmet. They are very comfortable and durable!

22.01.2026

C**Y

Excellent

Not a bad bit pricey for you know what they are, but yeah, would buy again

24.05.2026

L**D

Spot on hearing protection

Perfect to slot on the JSP helmet, easy to tuck up out of the way and fit great when required.

26.06.2025

J**Y

Great priced hearing protection

Quality item Great Price Delivered next day. Great service.

5.08.2025

C**A

Perfecto para incluir en el casco

Para incluir en el casco de protección cuando los niveles de ruido son elevados. Buen envío y la calidad es la que esperas. Atenúan tal y como buscas

18.01.2026

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Sold byAmazon PeruDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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I loved the variety of products available. Will definitely shop again.

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