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Ear Defenders . Done Right. Our first Bluetooth ear defender, ISOtunes LINK EN352 is perfect for the worker who prefers over-ear hearing protection, but refuses to compromise their listening experience.

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ISOtunes EN 352 Certification

EN 352 Certified

30 dB SNR

SafeMax™ Technology

Up to 14 hours battery life

IPx4 Sweat and water resistance

Noise-Isolating Microphone

Siri/Google Voice Compatible

Bluetooth 4.2

Key Features

With a 30dB SNR (Single Number Rating), LINK ear defenders can reduce noise levels by up to 30 decibels, making them perfect for use in a variety of noisy environments. Whether you're working on a construction site, in a factory, or need to block out power tool noise, LINK ear defenders can help you achieve the safe hearing levels you need.

Tech Specs

A hearing protection device that allows user to accept phone calls or stream music from Bluetooth paired devices. Level dependent functionality helps protect the wearer against sudden loud impulse noise and aid situation awareness.

Hearing Protection Rating

SNR 30dB

Aware Technology


Max Volume Output


Bluetooth Enabled


Battery Life

14 Hours

Included in the box

LINK Headphones

Lithium-Ion Battery

Memory Foam Ear Cushions

Micro USB Charging Cable



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