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Sennheiser CX 400BT Black
True Wireless in-ear earphones - Bluetooth 5.1 - 7h battery life - Touch controls - Microphone - Charging/carrying case
Last price 149€95
Music the way you want it
By offering superior listening comfort, optimal audio quality and wireless freedom, the Sennheiser CX 400BT True Wireless headphones will transform your everyday music experience. Enjoy the efficiency of the Bluetooth 5.1 connection, the richness of the dynamic drivers and the intuitive handling of the touch controls. A long battery life that can be easily extended via the charging case completes the qualities of these wireless headphones to bring you audio pleasure with every use.
Experience intense emotions
Experience natural, detailed sound with deep bass to enjoy your favourite artists. The Sennheiser CX 400BT True Wireless headphones feature dynamic 7 mm drivers and allow each user to customise the sound with the built-in equalisers. Freedom will be the order of the day with the Bluetooth 5.1 wireless function. Capable of playing SBC, AAC and aptX codecs, this model ensures high-quality listening to suit your needs.
You'll get up to 7 hours of battery life on a single charge, and a charging case for up to 20 hours of power. Easily manage playback, volume, calls or access your smartphone's voice assistant from the intuitive touch controls. The CX 400BT earphones also offer superior comfort with its silicone tips.
Key features:
- True Wireless earphones
- Dynamic 7mm drivers
- Superior sound performance: deep bass, natural mids, clear and detailed highs
- Bluetooth 5. 1 technology with AAC, SBC and aptX codecs
- Comfortable silicone in-ear tips
- Intuitive touch controls: volume, playback, calls, smartphone voice assistant activation
- 2 built-in MEMS microphones
- Up to 7 hours of battery life
- Charging case : extends battery life up to 20 hours
- Quick charge: 10 minutes for 1 hour more listening time
- Sennheiser Smart Control app (iOS/Android): personalized experience
Select your criteria
General information |
Product name |
Sennheiser CX 400BT Black |
Brand |
Sennheiser | |
Model |
508900 | |
Design |
Headset type |
In-ear |
Headphones configuration |
Closed back | |
Ear coupling |
In-ear | |
Use |
Hi-Fi | |
| Telephony | ||
Foldable |
No | |
High-Res audio |
No | |
Active noise cancelling |
No | |
Audio specifications |
Speaker diameter |
7 mm |
Bandwidth (Min frequency) |
5 Hz | |
Bandwidth (Max frequency) |
21 kHz | |
SPL Max |
107 dB SPL | |
Harmonic distortion |
0.08 Percent | |
Connectivity |
Remote control |
No |
Volume control |
Yes | |
Connector(s) |
USB Type C | |
Wireless |
Wireless |
Yes |
True Wireless |
Yes | |
Bluetooth |
Yes | |
Bluetooth technology |
Bluetooth 5.1 | |
Bluetooth codec |
AAC | |
| aptX | ||
| SBC | ||
NFC |
No | |
Integrated voice assistant |
Without voice assistant | |
Power supply type |
Lithium-ion battery | |
Battery life |
7 Hour(s) | |
Physical characteristics |
Color |
Black |
Headphone weight |
12 g | |
Receiver weight |
37 g | |
Warranties |
Commercial warranty |
Seller 2 years |
Legal warranty |
See terms & conditions |
See all Sennheiser products
Product referenced on 11 Sep 2020
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