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Sennheiser CX 400BT Review Rundown

SennheiserPublished on 21 Mar 2021Last Edited on 27 Sep 2021Written by Dr Jiulin Teng w/ Neosummarizer*

Overview

Photo of Sennheiser CX 400BT True Wireless Headphones
Neoscore* 77%
  • Excellent sound quality
  • Comfortable to wear
  • Supports aptX and Bluetooth 5.1
  • Good battery life
  • Nothing in particular

Summary

Sennheiser CX 400BT offer superb sound for their $200 price. The listening experience is more or less identical to what you get with the rest of the range. They promise up to 6.5 hours playback from the batteries in the buds.
This rundown provides our analysis on 8 third-party reviews. The sentiment scores, summaries, and key takeaways that we select are based on these reviews and may differ from the original publication.

Rundown

ndtv[1]

Sentiment Score[*] 82%
Reviewers from ndtv have found the following[***]:
The Sennheiser CX 400BT is a true wireless headset aimed at purists who look for good sound above everything else. Priced at Rs 16,990, it comes with most of what makes the Momentum True Wireless 2 so great, minus one big feature – active noise cancellation. The earpieces are quite large, and stuck out of my ears considerably; while this didn't affect fit and comfort too much when using the right ear tips, it definitely looked a bit odd. Sound quality was largely on par with the current top picks for true wireless earphones.
Find the original article here.
Pros[**]
  • Excellent sound quality
  • Active noise cancellation
  • Good battery life
Cons[**]
  • Nothing in particular

digitaltrends[2]

Sentiment Score[*] 81%
Reviewers from digitaltrends have found the following[***]:
Sennheiser's CX 400BT True Wireless earbuds are big and boxy. They are comfortable to wear, but you need to get the tips far enough into your ear canals to create a really good seal. The controls on the CX400BT might just be the best touch controls I've ever used. But the $200 Sony W800Nuds can deliver 13 hours with active noise cancellation.
Find the original article here.
Pros[**]
  • Excellent sound quality
  • Comfortable to wear
  • Comply Foam tips are easy to use
  • Good battery life
Cons[**]
  • Small ear canals

pcmag[3]

Sentiment Score[*] 85%
Reviewers from pcmag have found the following[***]:
The Sennheiser CX 400BT are a more affordable version of the $300 Momentum True Wireless 2. The earpieces are compact and use only an eartip to keep them in place. The left and right earpieces have touch-sensitive panels that divide the controls up in a sensible manner.
Find the original article here.
Pros[**]
  • Powerful audio performance with rich bass depth and crisp highs
  • User-adjustable EQ
  • Great on-ear controls
Cons[**]
  • Nothing in particular

rtings[4]

Sentiment Score[*] 61%
Reviewers from rtings have found the following[***]:
The Sennheiser CX 400BT True Wireless are sleek in-ears that resemble the MOMENTUM True Wireless 2 in look and performance. While their warm sound may not be perfect for neutral sound, they have a graphic EQ via their companion app. These headphones are alright for mixed use but not suitable for wireless gaming due to their high audio latency when connected to Bluetooth-enabled PCs.
Find the original article here.
Pros[**]
  • Sleek design
  • Comfortable in-ears
  • Good noise isolation
  • Good battery life
Cons[**]
  • Poor noise isolation performance
  • Mediocre noise isolation

t3[5]

Sentiment Score[*] 77%
Reviewers from t3 have found the following[***]:
The Sennhesier CX400BT are on sale from September 15th, priced at £169. Both the earbuds themselves (at 6g each) and the charging case (37g) are reasonably weighty. Wireless connectivity is via Bluetooth 5.1, and there's support for SBC, AAC and aptX. Voice assistance can be provided by either Siri or Google Assistant.
Find the original article here.
Pros[**]
  • Excellent sound quality
  • Excellent battery life
  • Decent call quality
Cons[**]
  • Nothing in particular

techradar[6]

Sentiment Score[*] 81%
Reviewers from techradar have found the following[***]:
The Sennheiser CX400BT are a high-end true wireless earbud. They share the same 7mm full-range dynamic driver as their more expensive Momentum True Wireless 2 siblings. Despite a 6g-per-earbud weight they prove comfortable even over extended periods. A total of 20 hours' battery life is by no means a disaster, but it puts them at a mild disadvantage compared to any number of nominal rivals.
Find the original article here.
Pros[**]
  • Open, detailed listen
  • Responsive touch controls
  • Excellent battery life
Cons[**]
  • Unimpressive noise-cancelling

trustedreviews[7]

Sentiment Score[*] 72%
Reviewers from trustedreviews have found the following[***]:
The Sennheiser CX 400BT are the latest earbuds from the venerable German audio brand. They sit beneath the award-winning MOMENTUM TW2. Bluetooth 5.1 is the wireless connection and despite the premium sound claims there's no support for LDAC or aptX-HD. Battery life delivers 6.5 hours, with the charging case providing another two charges for twenty hours in total.
Find the original article here.
Pros[**]
  • High-fidelity stereo sound
  • Comfortable fit
  • Good battery life
Cons[**]
  • Nothing in particular

whathifi[8]

Sentiment Score[*] 77%
Reviewers from whathifi have found the following[***]:
Sennheiser's CX 400BT are some of the best-value budget earbuds we've come across. They lack active noise-cancelling, smart pause functionality and IPX4 splash resistance. They do support Bluetooth 5.1 support and mobile app features, though – neither of which is a given at this level.
Find the original article here.
Pros[**]
  • Sophisticated, detailed presentation
  • Excellent battery life
  • Comfortable fit
Cons[**]
  • Nothing in particular

references

1. ^ Sennheiser CX 400BT True Wireless Earphones Review. ndtv. 2020-11-27 Retrieved 2021-10-14.
2. ^ Sennheiser CX 400BT True Wireless review: Great sound, but not much else. digitaltrends. 2020-09-11 Retrieved 2021-03-22.
3. ^ Sennheiser CX 400BT Review. pcmag. 2020-10-23 Retrieved 2021-03-22.
4. ^ Sennheiser CX 400BT True Wireless Headphones Review. rtings. 2020-11-25 Retrieved 2021-03-22.
6. ^ Sennheiser CX 400BT True Wireless review. techradar. 2020-09-04 Retrieved 2021-03-22.
7. ^ Sennheiser CX 400BT Review. trustedreviews. 2020-11-04 Retrieved 2021-03-22.
8. ^ Sennheiser CX 400BT review. whathifi. 2021-02-26 Retrieved 2021-03-22.
*. Neoscore is our sentiment analyzer based on natural language processing (NLP). Scaled in the range of 0 to 100, Neoscore eliminates scoring biases from each publisher; it likely differs from the publisher\'s own rating, if available, as a result.
**. Neoanalyzer is our summarizer based on NLP. It identifies key takeaways from each third-party review. The takeaways that it produces likely differ from the publisher\'s own bullets points, if available, as a result.
***. Neosummarizer is based on NLP. It extracts summaries from third-party reviews. It likely that these summaries differ from the publisher\'s own, if available.

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