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A Bluetooth hearing protection
for work, hobby and leisure



ISOtunes FREE Ohrhörer mit Box
ISOtunes FREE Ohrhörer wireless
ISOtunes FREE Ohrhörer in der Ladebox



The ISOtunes FREE 2.0 is a noise-isolating true wireless hearing protector with Bluetooth connectivity for music and phone calls. The completely wireless hearing protector effectively protects against loud or distracting ambient noise while allowing you to listen to music, podcasts or audiobooks and make phone calls. With optimised noise cancellation and state-of-the-art technology for an enhanced audio experience in great wireless form, the ISOtunes FREE 2.0 combines protection, relaxing quiet, sound and seamless communication.

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Sound insulation value 31 dB SNR, SafeMax ™ technology (limited volume 79 dB)

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Sweat and waterproof according to IP45

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Bluetooth 5.2 with up to 10 metres range

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True wireless technology

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Up to 7 hours battery life + up to 14 additional hours with the charging box


Tested according to European safety standard EN 352-2:2020 and approved according to the PPE Regulation (EU)2016/425.




Customized with



Gehörschutz Komponenten

Because every ear is unique, we offer custom-made bachmaier® plugs as an optional upgrade to the standard earplugs. They offer the ideal solution for optimized wearing comfort in the ear.

If you are looking for a perfectly fitting ISOtunes hearing protection, our bachmaier® plugs are just right for you. Due to the individual fit to your ears, they ensure a secure and comfortable fit and allow for optimal wearing comfort.

"How to Click": Watch now


Experience maximum freedom



Active True Wireless Technology

Enjoy wireless, unrestricted freedom of movement – whether at work, in everyday life, during leisure time or when travelling! The ultra-light Bluetooth hearing protector ISOtunes FREE 2.0 offers you ultimate flexibility and freedom in every situation thanks to its wireless design.

The hearing protector complies with the European safety standard EN 352 and is extremely durable, dust, sweat and water resistant. Thanks to the ISOtunes-SafeMax™ technology with a volume limit of 79 dB, you are always protected and undisturbed. The background noise cancelling microphone allows clear phone calls even in noisy environments. ISOtunes AptX™ provides enhanced sound quality.

This hearing protector is particularly suitable for professionals who work in noisy environments and need lightweight, unobtrusive hearing protection certified to EN 352. The wireless design makes it perfect for those who work in confined spaces, for example, or who also wear other restrictive PPE such as hard hats or welding masks. With the new and improved Bluetooth 5.2 technology, the hearing protector offers a range of up to 10 metres, supports a Bluetooth battery level indicator and is Siri/Google Voice compatible.

Included with the ISOtunes FREE 2.0 are standard ear tips in various styles and sizes, a USB-C cable and a portable charging box.


Data sheet

Download here

bachmaier plugs für ISOtunes free

Fits right in your ear!

The bachmaier® plugs for ISOtunes Free 2.0 are precisely adapted to the shape of the ear using an impression. As a result, they are hardly noticeable and fit perfectly in the ear. The use of 100% biocompatible material guarantees a comfortable wearing experience: no pressing, no sweating, no feeling of being closed off.

How do you get your custom hearing protection?

You can get your customized bachmaier® plugs for ISOtunes FREE 2.0 at an acoustic specialist. Please enter your address below in our store locator to find a store near you. The acoustician will make an impression of your ears by carefully placing a skin-friendly silicone impression material in your ears. After 3-5 minutes, the cured material is removed and voilà: Your ear impression is ready!

Your noise protection is then produced and manufactured by us in Bischofswiesen – the bachmaier® location in the Bavarian Alps.

Material Soft

Our 60 Shore silicone is flexible, soft and highly robust. Color: transparent | glossy

Good to know

In addition to right and left marking, you always have the option of having your name lasered onto bachmaier® plugs für ISOtunes FREE 2.0.

How much does a pair cost?

ISOtunes FREE 2.0 150,- € (RRP)
bachmaier® plugs for ISOtunes FREE 2.0 165,- € (RRP)
ISOtunes FREE 2.0 + plugs for ISOtunes FREE 2.0 315,- € (RRP)







How does the customization work?

In order for us to make your customized hearing protection, we need an impression of your ears. To do this, you go to an acoustician store near you. They are specially trained and have the necessary equipment. The acoustician carefully places a skin-friendly silicone impression material into your ears. After 3-5 minutes, the hardened material is removed and voilà: Your ear impression is ready! Your hearing protection is produced and manufactured by us in Bischofswiesen, the bachmaier® location in the Bavarian Alps. In this video we show how fast and uncomplicated an ear impression works.






Store locator

You want to have your own ISOtunes hearing protection made? Here you will find all acoustic specialist shops that sell our products.

Do you have any questions??

Our team knows the answers!
Just send an e-mail to office@bachmaier.de!

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