Sennheiser CX 400 BT True Wireless Black


Product information

Key specs

Sound quality according to customers
Good
Carrying comfort according to customers
Good
Bluetooth
Yes
Fully wireless earbuds
Yes
Type of ear cushions
In-ear

Pros and cons

According to our earbuds expert
  • Thanks to the Bluetooth profile aptX, you can stream music wirelessly in high quality.
  • With the Sennheiser Smart Control app, you personalize the sound reproduction via an equalizer.
  • The equalizer is less extensive than that of other earbud brands.
Product Expert earbuds

Description

With the Sennheiser CX 400BT, you can enjoy high sound quality wirelessly with the Bluetooth profile aptX. This profile ensures that the signal between the earbuds and your smartphone is very stable and able to transfer more data. This way, the quality of the music is nearly the same as it would be with a cable connection. Do you want to adjust the sound of the earbuds? Download the Sennheiser Smart Control app and personalize the sound reproduction via the equalizer. The earbuds last 7 hours on a full battery.

With the Sennheiser CX 400BT, you can enjoy high sound quality wirelessly with the Bluetooth profile aptX. This profile ensures that the signal between the earbuds and your smartphone is very stable and able to transfer more data. This way, the quality of the music is nearly the same as it would be with a cable connection. Do you want to adjust the sound of the earbuds? Download the Sennheiser Smart Control app and personalize the sound reproduction via the equalizer. The earbuds last 7 hours on a full battery.


Included by default

Included by default

Key specs

Sound quality according to customers
Good
Carrying comfort according to customers
Good
Bluetooth
Yes
Fully wireless earbuds
Yes
Type of ear cushions
In-ear

Included by default

Included by default


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Sennheiser CX 400 BT True Wireless Black

Specifications

Product

Product number
867663
Manufacturer code
508900
Brand
Sennheiser
Warranty
2 years
Warranty type
Carry-in warranty
Old product returned for free
Yes

Physical properties

Weight in grams
49 g
Color
Black
Material
Plastic
Integrated microphone
Yes

Resistance

Water-resistant
No

Connection

Fully wireless earbuds
Yes
NFC
No
Compatible with applications
Yes
Application options
Installation help, Personalize control buttons, Personalize sound, Read battery status, Update firmware

Bluetooth

Bluetooth
Yes
Bluetooth version
5.1
Bluetooth profiles
Hands-Free Profile (HFP), Headset Profile (HSP), High-quality audio (aptX), Remote control (AVRCP), Standard Audio (A2DP)
Multipoint pairing
No

Power supply

Power supply type
Battery
Charging case
Yes
Battery life case
13 h
Wireless charging
No

Quality

Hi-Res audio
Yes
Sound quality according to customers
Good
Carrying comfort according to customers
Good

Sound

Sound reproduction
Stereo
Noise canceling
No
Volume limit
Yes
Frequency range
5 - 21000 Hz

Casing

Headphones wearing method
Earbud
Type of ear cushions
In-ear
Remote control on ear cups
Yes
Physical buttons ear cups
No
Touchpad ear cup
Yes
Integrated MP3 player
No
Volume control ear cup
Yes

Awards

Best tested
No

Cable

Detachable cable
No
Ribbon cable
No
Coil cable
No
Braided sleeve