Sennheiser CX 400BT Genuine Wi-fi Earphones Evaluation




Sennheiser released the Momentum Legitimate Wireless 2 earphones before this 12 months, which, whilst excellent when it comes to sound high-quality and features, are definitely on the pricey side at Rs. 24,990. A big motive for the higher selling price is lively sounds cancellation even though this characteristic does lead to the fantastic in general experience, it also puts the earphones out of access for several purchasers. Sennheiser’s latest pair of legitimate wi-fi earphones, the CX 400BT, is positioned to deal with that very challenge.

Priced at Rs 16,990, the Sennheiser CX 400BT will come with most of what helps make the Momentum Genuine Wi-fi 2 so excellent, minus a person big element – energetic noise cancellation. This is a accurate wireless headset aimed at purists who look for excellent seem above almost everything else. It supports the aptX Bluetooth codec and has Sennheiser’s signature tuning. Is this now the most effective pair of real wi-fi earphones for under Rs. 20,000? Find out in our overview.

sennheiser cx 400bt review earpieces Sennheiser

Though substantial and odd-seeking in the ears, the Sennheiser CX 400BT is a snug accurate wi-fi headset


Quality develop top quality, but the Sennheiser CX 400BT earphones are large

Only the 3rd pair of correct wi-fi earphones released by Sennheiser in India, the CX 400BT is a bit additional reasonably priced than the premium Momentum Real Wi-fi 2 earphones. The big big difference below is the absence of energetic sounds cancellation, but the CX 400BT is a mainly related headset in all other ways, including style, create high-quality, and specs.

The Sennheiser CX 400BT’s earpieces glance somewhat identical to the Momentum Real Wireless 2 equivalents, with substantial strong plastic casings and a large Sennheiser emblem on the outer aspect of every, which doubles up as a contact command panel. The earpieces are fairly massive, and stuck out of my ears noticeably even though this did not have an effect on in shape and comfort as well considerably when working with the correct ear recommendations, it definitely seemed a little bit odd. Also worthy of mentioning is that there is no formal water resistance score on the Sennheiser CX 400BT, which is pretty disappointing for the rate.

Touch controls on the Sennheiser CX 400BT are really straightforward to use, and deal with all of the core features, such as playback, phone dealing with, quantity, and voice assistant access. You can customise these controls as a result of the Sennheiser Good Manage app, as properly as change equaliser settings and update the firmware of the headset. Though standard and not actually needed for a great deal further than the original setup, the app’s potential to customise the touch controls could occur in handy.

The charging situation of the Sennheiser CX 400BT is just not much too extravagant, but it just isn’t much too basic both. It has an everyday plastic complete that matches the earpieces, and a magnetic lid that retains it securely shut. There is a USB Variety-C port for charging. This scenario is far more purposeful than stylish, but that’s not a terrible thing. It is just not far too significant, and fit quite conveniently in my pocket. Every single earbud weighs 6g, though the scenario weighs a acceptable 37g.

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Qualcomm aptX assist tends to make these among the greatest sounding legitimate wireless earphones you can invest in


For connectivity, the Sennheiser CX 400BT utilizes Bluetooth 5.1, with assistance for the SBC, AAC, and Qualcomm aptX Bluetooth codecs. The earphones use 7mm dynamic motorists and have a frequency reaction variety of 5-21,000Hz all of these technical specs match people of the Momentum Legitimate Wireless 2 earphones, with the clear exception of energetic noise cancellation.

The earphones ran for all-around six hrs per cost at average to substantial quantity concentrations, with the charging circumstance furnishing one more two whole expenses to the earpieces, for a total battery lifestyle of all-around 18 several hours for each cost cycle. Whilst the selection of additional prices you can get from the situation just isn’t exceptional, the battery existence of the earpieces is pretty fantastic when compared to other selections in this value phase.

Great audio high-quality on the Sennheiser CX 400BT

I have nearly usually observed that state-of-the-art Bluetooth codec aid goes hand-in-hand with very good seem excellent, and the Sennheiser CX 400BT supports that inference. The Qualcomm aptX codec helps make a obvious change to audio top quality, and the Sennheiser CX 400BT sounded great when utilised with an Android smartphone that was capable to activate the codec. Seem high-quality was largely on par with that of the Sennheiser Momentum Accurate Wireless 2, which is my current best decide for musicality between true wi-fi earphones.

I made use of the Sennheiser CX 400BT with an Android smartphone for a great deal of this review, but also examined it with my MacBook Air and an iPad mini for reference. Despite the fact that I have a tendency to use Spotify for everyday listening, I discovered myself favouring Tidal’s higher-resolution streaming though employing the Sennheiser CX 400BT, many thanks to the blend of good driver tuning and complex ability.

While the CX 400BT sounded terrific with any kind of songs and at all volumes, utilizing higher-resolution tracks and turning the quantity up to about 90 % introduced out the absolute ideal in these earphones. Listening to Bruno Mars’ Chunky and Ain’t No Mountain Higher More than enough by Marvin Gaye on Tidal Masters was an very pleasant knowledge, with the earphones bringing out oodles of element in the tracks. Even the faintest elements in the beat of Chunky felt genuine and current, though Gaye’s voice sounded cleanse and complete of character.

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Battery everyday living is decent, with around six several hours of listening per demand on the earpieces


Like the Momentum True Wireless 2, the Sennheiser CX 400BT’s sonic signature absolutely has some flavour to it, and is not as well balanced or flat as what you would get with some other alternatives these as the Lypertek Tevi. Instead, you get punchy lows that actually drive up the power amount, all although remaining refined and controlled ample to not audio far too boomy.

While the aptX Bluetooth codec helped provide out element and refinement in large-resolution tunes, this did not automatically indicate that compressed audio sounded inadequate. The Sennheiser CX 400BT sounded a tiny much more aggressive and forceful with Spotify and YouTube Audio, but never uncomfortable. The earphones’ flexible character also meant that pretty much any style sounded excellent, even though the bias towards the lows made for more entertaining sound with quick-paced electronic audio tracks.

Listening to Within My Head (Aeroplane Remix) by Riton, the audio was participating and immersive, with the reduced-conclusion for me getting felt a lot more than listened to. The mid-variety and highs have been also clean up and fairly normal, but the total sonic signature was closely defined by the minimal-conclusion travel. While a great deal of listeners could possibly choose a much more organic-sounding pair of earphones, this sprint of flavour and character is what built the Sennheiser CX 400BT all the extra endearing to me.

The earphones did also operate perfectly sufficient for typical audio, which include seeing films and voice calls. Premium selections from Sony, Apple, and Jabra are a bit superior for voice calls, but the Sennheiser CX 400BT does a sensible work, with satisfactory sound on both finishes of the call. The deficiency of functions these types of as lively or environmental sounds cancellation are the differentiating variable in this article, with the Sennheiser CX 400BT getting additional concentrated on tunes.


Sennheiser’s presence in the quality genuine wi-fi area has so much been restricted to the flagship Momentum Legitimate Wireless range, so the CX 400BT will come as a welcome addition to the sub-Rs. 20,000 selling price phase. With mainly the similar functionality as the Momentum Correct Wireless 2 when it arrives to audio good quality and battery daily life, this is a worthwhile headset to take into consideration, assuming you really don’t require active noise cancellation.

The most musical of all the real wireless earphones I have reviewed in this rate phase, the Sennheiser CX 400BT is excellent for consumers who price seem excellent and general performance with songs above all else. If you want energetic sound cancellation at all over this cost, solutions this kind of as the Jabra Elite 75t and Sony WF-1000XM3 are also value considering.

Selling price: Rs. 16,990

Which are the finest genuinely wi-fi earphones underneath Rs. 10,000? We talked about this on Orbital, our weekly technologies podcast, which you can subscribe to by means of Apple Podcasts, Google Podcasts, or RSS, down load the episode, or just strike the enjoy button under.

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