15,500 L

Don’t compromise on sound

Superior audio

Wherever you are, whatever you do; enjoy your favorite tracks to the max with the bespoke TrueResponse Transducer for crystal-clear sound.

Intense groove

With the Bass Boost added and the Built-In Equalizer activated via the Smart Control App, you can have your sound your way.

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Skip the noise

You can forget about your surroundings and get lost in the music or focus on your call thanks to the Passive Noise Cancellation.


Don’t compromise on comfort

Easy to wear

The eye-catching ergonomic design assures superb wearing comfort. And with ear adapters in 4 sizes, it’s easy to achieve a perfectly secure fit for any activity.


At your fingertips

Customizable touch control enables easy control of audio, phone calls and fast access to Siri and Google Assistant.


Even in the rain

Go outside at any time to have an outstanding audio experience, even when it’s wet; you can rely on their IPX4 splash resistance.



Passive Noise Cancellation

Customizable Touch Controls


TrueResponse Transducer

27 Hour Battery Life


Smart Control App

Create your sound experience.

Pair your Sennheiser device with our Smart Control App.

Customize what you hear and how you interact with your Sennheiser device.


Individualize your Sennheiser product

With the intuitive equalizer you can adjust the sound to your personal taste.



Sennheiser Smart Control is a free app and compatible with most iOS and Android systems.

This App is available in 8 languages including German, English, French, Spanish, Russian, Korean, Japanese and Mandarin.

CX True Wireless Earbuds

Silicone ear adapter sets (XS, S, M, L)

Charging Case

USB-C Cable

Quick Guide & Safety Guide