Sennheiser CX 400BT True Wireless EarphonesSale!
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.
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CX 400BT True Wireless Superior sound. Tailored to you.
Better sound. Better control.
Whether you’re in the mood for calming tunes or crave some thrilling beats, the bespoke drivers of the CX 400BT True Wireless deliver high-fidelity sound with deep bass, natural mids and a clear, detailed treble. Plus, you can personalize your listening experience with built-in equalizers to enjoy amazing sound quality that’s tailored to you.
Tune in. Switch off.
Premium sound. Any device.
No matter where you stand – iOS or Android – you’ll always get to enjoy the outstanding sound quality of the 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 Sennheiser CX 400BT True Wireless earphones are designed to ensure you get premium sound wherever you go.
Minimalist Design. Stylish comfort.
The 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.
- Immerse yourself in amazing sound quality thanks to Sennheiser’s unique 7mm dynamic audio drivers and personalize your audio experience with the built-in equalizer and the Sennheiser Smart Control app
- Manage your music, make calls or trigger the voice assistant with customizable touch-sensitive technology built into both earbuds
- Enjoy outstanding sound quality no matter your mobile device with our wide range of audio codec support including AAC, aptX and SBC
- Experience non-stop play time with a 20 hours of battery life – 7 hours on a single charge and a further 13 hours via the charging case
- Dive into your favorite music for as long as you like with an ergonomic design made for all-day wearing
- 7mm Dynamic Drivers
- Built-in Equalizer
- 7 hour playtime
- Charging Case for up to 13.5 Extra Hours
- Transparent Mode to Let Sound In
- Built-In Mic for Hands-Free Calling
- Touch Access to Google Assistant or Siri
- Bluetooth 5.1 Wireless Technology
In the box:
- Earbud R for right ear (CX400TW1 R) and
earbud L for left ear (CX400TW1 L)
- Charging Case
- Silicone Ear Adapter Sets (In Size XS, S, M, L)
- USB-A to USB-C Charging Cable, 2.5m
- Quick Start Guide
- Safety Guide
|Dimensions||76.8 x 43.8 x 34.7 mm (earbuds and charging case)|
|Power supply||5 V⎓ 650 mA max|
|Frequency response (Microphone)||100 hZ – 10KhZ|
|Frequency response||5 – 21,000 Hz|
|Speaker type||Sennheiser 7mm dynamic driver|
|Bluetooth Version||Bluetooth 5.1 compliant|
|Charging Time||1.5 h for full charge / 10 min for 1.5 h playtime|
|App support||Sennheiser Smart Control app for iOS™ and Android™|
|Operating Time||Up to 7 hrs music playtime with earbuds Up to 20 hrs music playtime with charging case|
|Battery Specification||Built-in Lithium-Ion rechargeable batteries|
|Ear Coupling||In Ear, Closed Acoustics|
|Weight||Both earbuds and charging case: 70 g|
|Weight||Single earbud: 6 g|