Sennheiser CX 350BT

10 h, Wireless
Currently out of stock

Product details

The wireless earphones CX 350BT are the perfect companion for great audio enjoyment on the go. With support for the latest wireless technologies, the CX 350BT delivers an outstanding listening experience. The Sennheiser Smart Control app makes it easy to customize sound with its equalizer and offers firmware updates as well as a podcast mode.

With Sennheiser sound quality, 10 hours of battery life, and enhanced features like voice assistant support, the stylish wireless earphones CX 350BT are the ideal companion for enjoying music and videos on the go without compromise. The latest wireless technology, including AAC and AptX Low Latency codecs, ensures that audio is always perfectly synchronized with the action on compatible devices. Multi-pairing and compatibility with Bluetooth 5.0 provide a fast, reliable connection to two devices simultaneously.

Thanks to the Sennheiser Smart Control app, which allows for personalized sound adjustments through its equalizer, the CX 350BT offers a very personal listening experience. In addition to its personalization features, the app also provides a battery status indicator, a quick guide, firmware updates, and a podcast mode optimized for speech playback.

Key specifications

Application range
General
Equipment + Functions
MicrophonesVolume control
Headphone type
In Ear Headphones
Signal transmission
Wireless
Audio Connections
1 x USB-CJack 3.5mm (1x)
Item number
12841214

General information

Manufacturer
Sennheiser
Category
Headphones
Manufacturer no.
508382
Release date
4-3-2020

Colour

Colour
Black
Exact colour description
Black

Application range

Application range
General

Headphone properties

Output
Stereo
Equipment + Functions
MicrophonesVolume control
Music control
touchpad remote controlUniversal Bluetooth Remote
Signal transmission
Wireless

Headphone type

Headphone type
In Ear Headphones
Fit
Neck strap
Converter principle
Dynamic

Audio properties

Frequency range
17 - 20000 Hz
Sensitivity
112 dB
Max. noise level
112 dB
Impedance
28 Ω (ohm)

Connections

Audio Connections
1 x USB-CJack 3.5mm (1x)
Connections base/transmitter
USB-C

Bluetooth features

Bluetooth version
5.0
Bluetooth feature
AACaptX
Bluetooth profiles
A2DPAVRCPHFPHSP

Power supply

Power supply
Rechargeable battery operated

Battery properties

Battery type
LiPo
Battery life
10 h
Capacity
100 mAh
Charging time
2.50 h
Charging input
USB-C

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
USB Type-C CableUSB-C

Product dimensions

Weight
13 g

Package dimensions

Length
3.60 cm
Width
12 cm
Height
18 cm
Weight
110 g

Reviews & Ratings

Statutory warranty score

How often does a product of this brand in the «Headphones» category have a defect within the first 24 months?

Source: Galaxus
  • 86.Teufel
    4,9 %
  • 88.Technics
    5 %
  • 89.Sennheiser
    5,1 %
  • 89.Soundpeats
    5,1 %
  • 91.B&O
    5,3 %

Statutory warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Galaxus
  • 71.AKG
    11 days
  • 71.Technics
    11 days
  • 73.Sennheiser
    12 days
  • 74.Fairphone
    13 days
  • 74.Suunto
    13 days

Return rate

How often is a product of this brand in the «Headphones» category returned?

Source: Galaxus
  • 74.Defunc
    4,3 %
  • 76.Beyerdynamic
    4,4 %
  • 76.Sennheiser
    4,4 %
  • 78.Yamaha
    4,8 %
  • 79.Shure
    4,9 %

Translation: machine translated
Overall ratingVery good80/100
Good76/100
Computer Bild Logo
Rank 4 out of 4Computer BildNackenband-Kopfhörer im VergleichReleaseMay 2021
  • PositiveNatural and fine sound
  • PositiveSimple operation
  • NegativeQuiet on the smartphone
  • Negativesit very deep in the ear

The Sennheiser CX 350BT scored with good sound at a fair price. They play music in a balanced and natural way. Only the trebles are a little too sharp and stand out a little. The battery life of just over 13 hours is the best in the comparison. When it comes to wearing comfort, however, the Sennheisers lag behind...

Very good83/100
Rank 1 out of 16Stiftung Warentest16 Bluetooth-KopfhörerReleaseJuly 2020

Wireless headphones in the test Better without cables, say many headphone buyers. Bluetooth headphones do not require a connection cable - there are no more trip hazards. There are models in the classic design of a headphone with a headband and, as an alternative, in-ear headphones - tiny in size, but not in sound...