Superior sound. Tailored to you.
Your day-to-day may change but your enjoyment of superior sound won’t. Powered by Sennheiser’s leading audio technology, the new CX 400BT True Wireless gives you total control over an exceptional sound experience. With passive noise cancellation, intuitive customizable controls, long-lasting battery life and a design made for all-day comfort, they are the ideal, uncompromised choice for people that are passionate about great sound.
Premium sound. Any device.
No matter where you stand – iOS or Android – you’ll always get to enjoy the outstanding sound quality of the new CX 400BT True Wireless earbuds. Thanks to our wide range of audio codec support including SBC, AAC and aptX, premium sound is guaranteed with any mobile device.
Anytime. All the time.
Never miss a beat throughout the day with 20 hours of battery life – 7 hours on a single charge and a further 13 hours with the small, sleek and compact charging case. The new CX 400BT True Wireless earbuds are designed to ensure you get premium sound wherever you go.
Stylish comfort.
The new CX 400BT True Wireless is made for those who enjoy diving into a long playlist, a lively audiobook or a loving phone call. Available in black and white, they have an ergonomic design created for all-day comfortable wearing. The earbuds achieve a perfect fit in the ear for excellent passive noise cancellation and keep the earbuds securely in place, thanks to adapters provided in a choice of four sizes.
Passive Noise Cancellation
Customizable Touch Controls
Built-in Equalizer
7mm dynamic driver
20 hour battery life
AVAILABILITY
Sennheiser Smart Control is a free app and compatible with most iOS and Android systems.
What's in the box?
- CX 400BT True Wireless Earbuds
- Silicone ear adapter sets (XS, S, M, L)
- Charging Case
- USB-C Cable