tomsguide.com
- Review score
- 4.4
Sennheiser CX 80U Wired Earbuds Review
Bottom Line
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
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
Not for shoppers who need deep rumbling sub-bass, waterproofing, wireless features, extensive controls, app customization, or a cleaner mic for frequent calls.
Verdict
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.
Feature Scorecards
Summary
32 reviewed features- Very positive 4.5-5.0 59% 19 features
- Positive 3.5-4.4 16% 5 features
- Neutral 2.5-3.4 19% 6 features
- Negative 1.5-2.4 6% 2 features
- Very negative below 1.5 0% 0 features
Pros
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Comfort was excellent across both reviews, including multi-hour listening with no irritation and full marks for long-period wear.
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USB-C was a major advantage in both reviews, improving fit with modern devices and making the earbuds more versatile.
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Value was a standout strength in both reviews, with strong praise for the sub-$40 sound and overall bang for the buck.
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Android-style USB-C use was strong in Tom’s Guide testing, where the earbuds worked seamlessly with a Google Pixel phone.
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Tom’s Guide treated the built-in DAC and hi-res playback support as a major selling point for budget wired earbuds.
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Tom’s Guide praised the earbuds for lossless, low-latency playback support up to 24-bit/96KHz.
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Multi-platform compatibility was strong, with Tom’s Guide reporting seamless use across a Pixel phone, MacBooks, and an iPad.
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Setup simplicity was excellent because the USB-C plug-and-play interface worked without friction.
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Stability was excellent in Tom’s Guide testing, with the earbuds staying in place while stationary and walking.
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Both reviews valued the supplied eartip options because they helped users find a better fit and seal.
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Fit was a major positive, with the right seal improving comfort and Tom’s Guide’s chosen tips staying put securely.
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Passive noise isolation was repeatedly praised, with the seal and eartips blocking office chatter and reducing external sounds well.
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Reviewers strongly praised the CX 80U’s sound for detail and refinement, while one review framed it as mostly superb because the lowest bass was weaker.
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Treble was a strength in both reviews, staying vivid and bright without turning harsh, tinny, or shrill.
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Mids and vocals came through clearly, with one review praising robust balance and the other emphasizing intelligible, separated vocals.
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Both reviewers found a convincing sense of space, including defined treble placement and a notably wide soundstage.
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TechRadar explicitly praised the earbuds’ build quality as impressive for the budget category.
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At peak volume, the TechRadar review found the treble stayed controlled instead of becoming harsh or tinny.
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Tom’s Guide tied comfort and stability partly to the very light individual earbud weight.
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Design reactions were split: TechRadar loved the classy look, while Tom’s Guide found the lowkey all-black design unflashy.
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The tonal balance was broadly praised as full-range and accurate, but Tom’s Guide still noted the lowest frequencies were less refined.
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Instrument and vocal separation were praised, with layers avoiding muddiness and words not bleeding together.
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Bass was generally described as clean, responsive, punchy, and powerful, though both transcripts noted the deepest sub-bass lacked some weight.
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Tom’s Guide noted there is no companion app, but judged that absence as not a major drawback for these wired earbuds.
Cons
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Control usability was mixed: TechRadar disliked the missing volume buttons, while Tom’s Guide praised the button feel and responsiveness.
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Equalizer customization is limited, but Tom’s Guide did not feel a need to tailor the sound profile during use.
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The integrated mic was usable but not impressive, with decent voice clarity offset by static and limited call quality.
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Pocket portability is undercut by the cable tangling and bunching, which Tom’s Guide found annoying to manage.
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Cable quality drew criticism from Tom’s Guide because the wires lack anti-tangle design and bunch up in a pocket.
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Call mic performance was a weakness in TechRadar’s testing, with acceptable voice clarity but below-best call quality.
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The mic picked up noticeable background static, suggesting weak noise handling during recording or calls.
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Water resistance was a limitation because TechRadar wanted at least IPX4-style splash protection and found no waterproofing claim.
Compared With Category Average
Compared with other Earbuds, this product is above average in Lossless audio support, Software/setup simplicity, Ear tip size options, below average in Water/sweat resistance rating, Microphone noise reduction, Microphone quality for calls.
Summary
8 compared features- Above average 0.4+ pts higher 50% 4 features
- Same as average within 0.3 pts 0% 0 features
- Below average 0.4+ pts lower 50% 4 features
| Attribute | This product | Category average | Difference |
|---|---|---|---|
| Water/sweat resistance rating | 2.0 | 3.9 | -1.9 |
| Lossless audio support | 5.0 | 3.2 | +1.8 |
| Microphone noise reduction | 2.0 | 3.8 | -1.8 |
| Microphone quality for calls | 2.5 | 3.8 | -1.3 |
| Software/setup simplicity | 5.0 | 3.9 | +1.1 |
| Ear tip size options | 4.8 | 3.7 | +1.1 |
| Integrated microphone | 3.0 | 4.1 | -1.1 |
| Multi-platform compatibility | 5.0 | 3.9 | +1.1 |
FAQ
How good is the Sennheiser CX 80U sound quality?
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.
Are the Sennheiser CX 80U comfortable for long listening sessions?
Yes. Reviewers reported multi-hour comfort, a secure in-ear feel, and useful eartip options for finding a better seal.
Do the Sennheiser CX 80U have noise cancellation?
They do not have reviewed ANC performance. Reviewers instead praised the passive noise isolation from the in-ear seal and noise-sealing eartips.
Do they work well with USB-C devices?
Yes. Reviews highlighted USB-C convenience, plug-and-play setup, seamless use across several devices, and built-in DAC support for hi-res playback.
Are the controls good?
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.
Is the microphone good for calls?
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.
Are the Sennheiser CX 80U waterproof?
No reviewer found a clear waterproof rating. TechRadar specifically wished they had IPX4-style splash protection and listed no waterproofing as a limitation.
Sample Expert Reviews We Analyzed
These are a few of the reviews included in our analysis.
techradar.com
- Review score
- 4.1
Compared in Reviews
Products reviewers directly compared with this model, grouped into quick takeaways.
Apple EarPods USB-C
- Cheaper: price The CX 80U cost more than the Apple EarPods USB-C in the reviewer’s price comparison.
- Compared: open design versus in-ear seal The Apple EarPods USB-C are contrasted as having a more open design rather than the CX 80U-style seal.
JBL Tune 305C
- Better: EQ controls The JBL Tune 305C is credited with going further by offering EQ switching from its in-line controls.
- Cheaper: price The CX 80U cost more than the JBL Tune 305C in the reviewer’s price comparison.
SoundMagic E80D
- Worse: button feel The CX 80U’s buttons are judged easier to press than those on the SoundMagic E80D.
- Better: flashy design The reviewer says shoppers who want a flashier look should consider the SoundMagic E80D instead.
Consider This Instead
If you want better Microphone noise reduction
Choose OnePlus Buds 3. It scores 4.4 vs 2.0 for Microphone noise reduction, with a 4.1 overall score.
If you want better Water/sweat resistance rating
Choose Samsung Galaxy Buds 4 Pro. It scores 4.5 vs 2.0 for Water/sweat resistance rating, with a 3.9 overall score.
If you want better Integrated microphone
Choose Samsung Galaxy Buds3 Pro Earbuds. It scores 4.8 vs 3.0 for Integrated microphone, with a 3.9 overall score.
If you want better Portability/foldability
Choose Apple AirPods Pro 2 Wireless Earbuds. It scores 4.7 vs 3.0 for Portability/foldability, with a 4.1 overall score.
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