We and our partners use cookies to give you the best online experience, including to personalise advertising and content. Data about your interaction with this site and the ads shown to you may be shared with companies involved in the delivery and/or personalisation of ads on this site and elsewhere online.

Sennheiser CX 400

PRO rating
How it works?
How it works?
  1. User ratingsUser ratingsratings of product added by Productz users
  2. Expert ratingsExpert ratingsexperts ratings from editorial reviews
  3. Consumer ratingsConsumer ratingsratings from the biggest online stores worldwide
Legend
  1. Excellent
  2. Good
  3. Poor
  4. Average
4.1
based on all reviews
User ratings:
46
4.1 out of 5
46 user ratings
5 stars
39 %
4 stars
36 %
3 stars
21 %
2 stars
2 %
1 stars
0 %
Editorial reviews:
14
  1. See more
4.1 out of 5
12 user ratings
5 stars
33 %
4 stars
66 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews

Pros

  • Clarity is excellent
  • a clean
  • clear and detailed sound

Cons

  • Sennheiser has chosen not to throw in an iPhone adapter
  • Bass may be favoured too heavily for some listeners
  • but lose the detachable extension cable

Key specs

  • 16 Ω
  • , 113 dB
  • 17, 21000 Hz
  • Closed
  • Stereo
  • In-Ear
  • Wired

Compare technical data of the product to its category

Sennheiser

Sennheiser CX 400 - Pros & Cons

Sennheiser CX 400

Pros

  • Clarity is excellent
  • a clean
  • clear and detailed sound
  • a really solid mid-range set of TWS earphones
  • The soundstage is wide with a nice level of clarity
  • Sennheiser smart app is also great to have in order to customise EQ
  • mid-range and highs were also clean and
  • Battery life is decent
  • CX 400BT handles video calls great
  • sounds warm
  • smooth

Cons

  • Sennheiser has chosen not to throw in an iPhone adapter
  • Bass may be favoured too heavily for some listeners
  • but lose the detachable extension cable
  • they can only be connected to one device at a time
  • sound leaves nothing to be desired
  • older songs may be a little more difficult to pick out bass instruments
  • There s also no official IP rating
  • Hard plastic makes up the bulk of the construction
  • the controls are split up between each side
  • on expensive earphones can sting a little bit
  • s nothing to get pumped about

Sennheiser CX 400 - Technical Overview

PoorAverageGoodExcellent
IconImpedance
16 Ω
Best:
Stax SR-L500
Impedance: 145000 Ω
IconWeight
54 g
Best:

Sennheiser - Video Reviews (9)

powered byYouTube

Sennheiser CX 400 - Full Specifications

Icon
Technical details
Sound outputStereo
StyleIn-Ear
Connectivity technologyWired
Headset (integrated/enclosed microphone)no
Magnet materialNeodymium
Icon
Dimensions
Weight1.9 oz
Icon
Connectivity
Cable length0.6
Wireless range0.9
Type of connector3.5mm
Detachable cableno
Icon
Power
Battery operatedno
Icon
Design
Colour of product
  • Black
  • Black,Blue
  • Black,Red
  • Blue
  • Red
  • Silver
  • White
Acoustic designClosed
Attachment typeEar canal
Icon
Sound
Impedance16.0 Ω
Sensitivity< 113
Frequency range17 - 21000
Driver technologyDynamic
Total harmonic distortion (THD)0.2 %
Icon
Features
ButtonsVolume

Sennheiser CX 400 - Q&A

  • Do you have a question about the product?

Sennheiser CX 400 Sennheiser - Editorial Reviews (14)

4.1
Based on 14 reviews
  • 5
  • 4
  • 3
  • 2
  • 1
Sennheiser CX 400 Sennheiser CX 400 sound-isolating earphones review: Sennheiser CX 400 sound-isolating earphones
CNET logo
CNET
Published: 22.02.2008
Sennheiser CX 400 sound-isolating earphones review: Sennheiser CX 400 sound-isolating earphones
3.5

You can spend hundreds of pounds on earphones, but if you're looking for a decent upgrade without spending loads of dosh, you could spend less than £40 on these comfortable, quality Sennheiser CX 400s. Good all-'rounders, these 'phones could suit your needs down to the ground

Sennheiser CX 400 Sennheiser CX 400 headphones
Pocket-lint logo
Pocket-lint
Published: 16.06.2008
Sennheiser CX 400 headphones
3.5

The headphones come into their own where you can plug straight into an existing handsfree or remote control unit

Sennheiser CX 400 Sennheiser CX400 review
Alphr logo
Alphr
Published: 07.10.2009
Sennheiser CX400 review
5.0

It would be foolish to spend upwards of £100 on an MP3 player and then not bother to upgrade the headphones, and when you do there's a raft of companies vying for your money. Sennheiser has always been strong

Sennheiser CX 400 Sennheiser CX 400 Ear Buds Review:
onheadphones.com logo
onheadphones.com
Sennheiser CX 400 Ear Buds Review:

Sennheiser CX 400 Ear Buds Review: of high quality with Neodymium magnets adapted for a natural sound. They come with impressionable comfort levels

Sennheiser CX 400 Sennheiser CX400 Canalphones
Trusted Reviews logo
Trusted Reviews
Published: 30.01.2008
Sennheiser CX400 Canalphones
4.5

Block out the hubbub and enjoy your tunes with these punchy Sennheisers.

Sennheiser CX 400 Sennheiser CX 400BT review: Signature sound at a lower price
hardwarezone.com.sg logo
hardwarezone.com.sg
Published: 20.12.2020
Sennheiser CX 400BT review: Signature sound at a lower price
3.5

At S$299, the Sennheiser CX400 BT isn't really "affordable", but it gets you Sennheiser's great sound at a lower price than the Momentum True Wireless 2.

Sennheiser CX 400 Sennheiser CX 400BT review
whathifi logo
whathifi
Published: 26.02.2021
Sennheiser CX 400BT review
5.0

These true wireless earbuds are excellent value for money

Sennheiser CX 400 Sennheiser CX 400BT True Wireless review
TechRadar logo
TechRadar
Published: 04.09.2020
Sennheiser CX 400BT True Wireless review
4.5

‘Affordable’ Sennheisers have Apple AirPods firmly in their sights

Sennheiser CX 400 Sennheiser CX 400BT review
Tom's Guide logo
Tom's Guide
Published: 25.01.2021
Sennheiser CX 400BT review
4.0

The Sennheiser CX 400BT wireless earbuds sound great, even without noise cancellation

Sennheiser CX 400 Sennheiser CX 400BT True Wireless review
SoundGuys logo
SoundGuys
Published: 08.03.2022
Sennheiser CX 400BT True Wireless review

Fans of true wireless earphones looking for audio quality above all else should definitely take a look at the Sennheiser CX 400BT.

Sennheiser CX 400 Sennheiser CX 400BT True Wireless Review
RTINGS.com logo
RTINGS.com
Published: 25.11.2020
Sennheiser CX 400BT True Wireless Review
3.6

The Sennheiser CX 400BT True Wireless are sleek in-ears that resemble the Sennheiser MOMENTUM True Wireless 2 in look and performance. They have a similarly warm...

Sennheiser CX 400 Sennheiser CX 400BT Review
PCMAG logo
PCMAG
Published: 23.10.2020
Sennheiser CX 400BT Review
4.0

The Sennheiser CX 400BT earphones deliver some of the best on-ear controls and audio performance you'll find in a true wireless pair.

Sennheiser CX 400 Sennheiser CX 400BT True Wireless review: New premium earbuds sound great but are a bit chunky
CNET logo
CNET
Published: 02.09.2020
Sennheiser CX 400BT True Wireless review: New premium earbuds sound great but are a bit chunky
4.0

The excellent sounding CX 400BT True Wireless earbuds are a more affordable alternative to the Momentum True Wireless II.

Sennheiser CX 400 Sennheiser CX 400BT Review
Lifewire logo
Lifewire
Published: 17.03.2021
Sennheiser CX 400BT Review
3.8

Solid battery life and great sound quality make Sennheiser CX 400BT earbuds the simplest but most effective ones available. I tested them for 18 hours.

Often compared with Sennheiser CX 400

Other Headphones