Sennheiser CX True Wireless – Hardware Review
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Developer: Sennheiser
Publisher: Sennheiser
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Sennheiser CX True Wireless – Hardware Review

Good: Battery life, Quality, IPX4
Bad: Dipping into the premium price range
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Rating: 9.0/10 (1 vote cast)

No, you’re not seeing double. We did in fact review Sennheiser’s CX 400BT True Wireless earbuds, which proved to be of phenomenal quality. We found that these wireless earphones packed a heavy punch, had deep bass, were comfortable, and had a long battery lifespan. Now, Sennheiser has released the (new) CX True Wireless earbuds, which improve upon the qualities of the aforementioned model. We will not be diving into a full review of this one, and focus more on the changes and improvements of the new model. Those wanting the full rundown can check our original review by clicking here. For now, let’s take a closer look at the shiny new features.



In terms of design, you’re looking at almost the same device as the CX 400BT, which isn’t a bad thing at all. The sleek black design is very classy and suited for every occasion, be it working out, or just relaxing and watching your favorite shows on Netflix. Of course, there’s also a completely white variant, which might also suit your daily attires quite nicely. Other features still work exactly the same, as you can easily control all functions by tapping the sides of the earbuds, or ‘pressing’ down, in order to trigger other functions. Again, the Smart Control app can provide solace for those in need of extra functions. We do see a small improvement in terms of the app, but there’s still a long way to go here.

Now, the meat and potatoes of this review, which will revolve around subtle changes to this pair of earbuds. For starters, this one has an IPX4 rating, which means it can withstand splashes of water. Of course, you’re still not supposed to submerge the item completely in a bathtub, but you don’t have to be overprotective when strolling in the rain, or accidentally spilling something over the device. This will certainly be great for those liking a walk in the rain, or those that are caught by a surprise rain shower. It’s a small extra protection that does add a bit of value

The battery lifespan has also been increased by a whopping seven hours, also in part thanks to the charging case. The latter can also recharge your earbuds for when you need them on the go. Long trips are basically hassle-free if you put your earphones back in the case and let them charge. The case also recognizes when you put the earbuds in the case, immediately turning them off. When you take them from the case, they will immediately turn on, and pair with your device. You can also opt to just use one separately if you still want to mind your surroundings. Overall everything works perfectly, but we do advise you to consult the manual first to get to know all the different commands of these earbuds. It can take some time to get used to simply tapping the surface of the earpieces to adjust settings or execute commands. Nonetheless, the system proves to be quite flawless and easy to use.


Even though you’ll pay slightly more for the new and improved version of the CX True Wireless earbuds, the increase in quality is noticeable. Even with the original already having a long battery lifespan, you’ll have to charge this one even less, while not having to trade in quality of sound. The splash resistance is a nice touch, and might save your device if you accidentally spill something over the earbuds. Other than that, there is not that much new to be said. Nonetheless, if you have the budget, we recommend going with this model, rather than the slightly cheaper one.

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Sennheiser CX True Wireless – Hardware Review, 9.0 out of 10 based on 1 rating

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