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 Mongolia

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468797 ₮

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Sold byAmazon MongoliaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔇 Stay sharp, stay safe — hear the future, not the noise.

ALL DAY COMFORT FIT - Lightweight design with soft cushions and low clamp force keeps you focused, not fatigued.
TRUSTED UK MADE QUALITY - EN 352 certified, built for professionals who settle for nothing less than reliable protection.
SEAMLESS HELMET INTEGRATION - Perfectly pairs with JSP EVO helmets for an all-in-one safety solution on site.
INDUSTRY GRADE NOISE DEFENSE - Block out up to 31dB of harmful noise with precision-engineered hearing protection.
STREAMLINED LOW PROFILE BUILD - Compact earcups reduce snag risks and maximize mobility in demanding environments.

The JSP SONIS offers robust 31dB SNR hearing protection tailored for medium-noise industrial environments. Its compact, helmet-mounted design integrates seamlessly with JSP EVO helmets, delivering lightweight comfort with soft cushioned ear seals for extended wear. Engineered in the UK and EN 352 certified, it’s the go-to choice for construction, engineering, and maintenance professionals demanding reliable noise isolation without compromising mobility.

Specifications

ASIN	B07943SY8X
ASIN	B0GSVKMKKW
Age Range Description	Adult
Best Sellers Rank	169,482 in DIY & Tools ( See Top 100 in DIY & Tools ) 231 in Safety Earmuffs
Brand Name	JSP
Closure Type	Adjustable
Colour	Grey / Orange
Customer Reviews	4.6 4.6 out of 5 stars (376)
Customer reviews	4.6 4.6 out of 5 stars (376)
Date First Available	17 Mar. 2026
Fit Type	Behind the Head
Fit to Size Sentiment	Good
Garment Size Country	United Arab Emirates
Global Trade Identification Number	05038428263085
Import Designation	Imported
Item Dimensions	18.7 x 17.1 x 10.9 centimetres
Item Highlight	EVO Helmet mounted compact hearing protection for medium-noise work, compatible with JSP EVO helmets. UK made. EN 352.
Item Type Name	Ear Defenders
Item Weight	288 Grams
Manufacturer	JSP Safety
Manufacturer Part Number	AEB030-0CY-0G1
Material Type	Foam
Model Number	AEB030-0CY-000
Noise Control	Sound Isolation
Noise Reduction Rating	31 Decibels
Number of Items	1
Number of Packs	1
Pattern	Solid
Product Style	Helmet Mounted
Single Number Rating	31 Decibels
Size	One Size
Unit Count	1.0 count

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