Superior Sound. No Compromise.
For the past 75 years, Sennheiser has put sound first. The CX True Wireless is no different. Thanks to leading audio technology and innovation, these new earbuds deliver crystal-clear sound with deep bass you can easily adjust to your personal taste. With an ergonomic design for superb wearing comfort and intuitive controls for maximum ease of use, you’ll have a first-rate listening experience at home, at work or on the move. Wherever you are or whatever you do, enjoy your favourite tracks to the max with the bespoke TrueResponse Transducer for crystal-clear sound. With the Bass Boost added and the Built-In Equaliser activated via the Smart Control App, you can have your sound your way and 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
The eye-catching ergonomic design of the CX assures superb wearing comfort and with ear adapters in 4 sizes, it's easy to achieve a perfectly secure fit for any activity. You can go outside at any time to have an outstanding audio experience, even when it's wet, thanks to their IPX4 splash resistance. Customisable touch control enables easy control of audio, phone calls and fast access to Siri and Google Assistant.
Technical Specifications
USB Standard |
USB-C |
Power Supply |
5 V⎓ 600 mA max |
Speaker Type |
TrueResponse Transducer Sennheiser 7mm dynamic driver |
Frequency Response (Microphone) |
100 Hz - 10 kHz |
Frequency Response (Headphone) |
5 - 21,000 Hz |
Microphone | 2 mic beamforming arrays (4 mics in total) |
Equaliser | EQ pre-set via Smart Control App |
Bass Boost | Via Smart Control App |
Noise Cancellation | Passive Noise Cancellation |
Bluetooth Version |
Bluetooth 5.2 compatible, class 1, BLE |
Charging Time |
1.5 h for full charge / 15 min for 1 h playtime |
App Support |
Sennheiser Smart Control app for iOS™ and Android™ |
Battery Specification |
Built-in Lithium-Ion rechargeable batteries L/R earbud: ~60 mAh; charging case: ~400 mAh |
Battery Time |
Up to 9 hrs music playtime with earbuds, up to 27 hrs music playtime with charging case |
Supported Profiles |
A2DP, AVRCP, HFP |
Codecs |
SBC, AAC, aptX™ |
Ear Coupling | In-ear, closed acoustics |
Included Accessories |
Charging Case, Silicone Ear Adapter Sets (In sizes XS,S,M,L), USB-C Charging Cable, Quick Guide, Safety Guide |
Product Code | 508973 |
Colour | Black |
Dimensions | 59 x 33.8 x 42.3mm (earbuds and charging case) |
Weight | Single Earbud - 6g / Charging Case - 37g |
Warranty | 2 Years |
Please be advised that due to health and safety and hygiene reasons, we are unable to accept returns of this item if the seal has been broken on the packaging.
Why Burton Blake?
Since 2012, Burton Blake is the benchmark for timeless brands that add a unique touch of luxury to your life. Every week we add new products to indulge your fancy.