Choose the Sennheiser CX 80U for detailed, comfortable USB-C wired listening at a low price. Skip them if you need deep sub-bass, waterproofing, wireless features, volume buttons, or a cleaner mic.
Best for budget listeners who want simple USB-C wired earbuds with detailed sound, strong comfort, good passive isolation, and plug-and-play compatibility across modern devices.
Not for shoppers who need deep rumbling sub-bass, waterproofing, wireless features, extensive controls, app customization, or a cleaner mic for frequent calls.
The Sennheiser CX 80U come across as unusually strong budget wired earbuds, with both reviewers praising their detailed, balanced sound, comfortable fit, passive isolation, and USB-C convenience. Their best qualities are practical rather than flashy: they work easily across modern devices, include fit-friendly eartips, and deliver clear mids, vivid treble, and strong value for under $40. The main tradeoff is that the low end is not fully complete; bass is clean and punchy, but sub-bass can feel subdued or thin. They also have convenience compromises, including limited controls, cable tangling, no waterproofing claim, no companion app, and a mic that can pick up static.
Products reviewers directly compared with this model, grouped into quick takeaways.
Compared with other Earbud Headphones, this product is above average in Lossless audio support, Software/setup simplicity, Multi-platform compatibility, below average in Water/sweat resistance rating, Microphone noise reduction, Microphone quality for calls.
| Attribute | This product | Category average | Difference |
|---|---|---|---|
| Water/sweat resistance rating | 2.0 | 3.9 | -1.9 |
| Microphone noise reduction | 2.0 | 3.7 | -1.7 |
| Lossless audio support | 5.0 | 3.3 | +1.7 |
| Microphone quality for calls | 2.5 | 3.7 | -1.2 |
| Software/setup simplicity | 5.0 | 3.9 | +1.1 |
| Portability/foldability | 3.0 | 4.1 | -1.1 |
| Multi-platform compatibility | 5.0 | 3.9 | +1.1 |
| Ear tip size options | 4.8 | 3.7 | +1.1 |
Both reviews were very positive. They praised detailed sound, clear mids, vivid treble, and strong value, while noting that the deepest sub-bass can feel underpowered.
Yes. Reviewers reported multi-hour comfort, a secure in-ear feel, and useful eartip options for finding a better seal.
They do not have reviewed ANC performance. Reviewers instead praised the passive noise isolation from the in-ear seal and noise-sealing eartips.
Yes. Reviews highlighted USB-C convenience, plug-and-play setup, seamless use across several devices, and built-in DAC support for hi-res playback.
Control feedback was mixed. TechRadar criticized the lack of volume buttons, while Tom’s Guide found the physical button easy to press and quick to register.
It is usable but not a strength. TechRadar found the voice decently clear but noted background static and said it would not provide the best call quality.
No reviewer found a clear waterproof rating. TechRadar specifically wished they had IPX4-style splash protection and listed no waterproofing as a limitation.
Choose Sony WF-1000XM5 Earbuds. It scores 4.5 vs 2.0 for Microphone noise reduction, with a 3.9 overall score.
Choose Samsung Galaxy Buds 4 Pro. It scores 4.5 vs 2.0 for Water/sweat resistance rating, with a 3.9 overall score.
Choose Sony WF-1000XM6 Earbuds. It scores 5.0 vs 3.0 for Portability/foldability, with a 4.1 overall score.
Choose Sennheiser Momentum True Wireless 4 Earbuds. It scores 4.8 vs 3.0 for Integrated microphone, with a 4.2 overall score.
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Choose the Sennheiser CX 80U for detailed, comfortable USB-C wired listening at a low price. Skip them if you need deep sub-bass, waterproofing, wireless features, volume buttons, or a cleaner...
Pros: Comfort during long use, USB-C
Cons: Microphone noise reduction, Water/sweat resistance rating