Over-Ear
Nothing CMF Headphone Pro
84Great
$140
Full review dataNothing CMF Headphone Pro vs Sennheiser PXC 550-II Wireless: which should you buy?
On aggregated review scores the Nothing CMF Headphone Pro comes out ahead with an HearWiki score of 84. The full breakdown - sub-scores, specs and what reviewers actually said - is below.
Our pick: Nothing CMF Headphone Pro - Great overall at around $140.
Over-Ear
Sennheiser PXC 550-II Wireless
78Great
$82
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
Nothing CMF Headphone Pro
Sound8.0
Noise cancelling8.5
Battery9.5
Calls7.5
Value9.0
Sennheiser PXC 550-II Wireless
Sound8.0
Noise cancelling8.0
Battery7.5
Calls7.0
Value7.0
Specifications
| Spec | Nothing CMF Headphone Pro | Sennheiser PXC 550-II Wireless |
|---|---|---|
| Type | Over-Ear | Over-Ear |
| Price (USD) | $140 | $82 |
| HearWiki score | 84 / 100 · Great | 78 / 100 · Great |
| Released | 2025 | 2019 |
| Audio | ||
| Driver | 40mm custom nickel-plated dynamic drivers | dynamic |
| Driver size | 40 mm | 32 mm |
| Drivers per side | 2 | 2 |
| Frequency response | 20Hz-20kHz | 17 Hz - 23,000 Hz |
| Impedance | 16 Ω | 46 Ω |
| Sensitivity | - | 110 dB/mW |
| Wireless | ||
| Bluetooth | 5.4 | 5.0 |
| Bluetooth version | 5.4 | 5.0 |
| Codecs | AAC, SBC, LDAC | SBC, AAC, aptX, aptX Low Latency |
| Multipoint pairing | Yes | Yes |
| Latency | 120 ms | - |
| Wireless range | 10 m | - |
| Battery | ||
| Battery life | 100 h | 20 h |
| Battery life (ANC on) | 50 h | - |
| Full charge time | 120 min | 180 min |
| Quick charge | 5 min = 8 h | - |
| Wireless charging | No | No |
| Features | ||
| Active noise cancelling | Yes | Yes |
| ANC type | hybrid | feedforward |
| Transparency mode | Yes | Yes |
| Companion app | Yes | Yes |
| Custom EQ | Yes | Yes |
| Wear detection | Yes | No |
| Controls | both | touch |
| Voice assistant | - | voice assistant support |
| Design | ||
| Weight | 283 g | 227 g |
| Water resistance | IPX2 | none |
| Foldable | No | - |
| Detachable cable | Yes | - |
| USB-C | Yes | No |
| Calls | ||
| Microphones | 5 | 4 |
| Call noise reduction | 3-mic ENC architecture | 3-microphone beamforming |
What reviewers said
Nothing CMF Headphone Pro
The CMF Headphone Pro from Nothing is a budget-friendly over-ear wireless headphone that punches well above its price point, offering a robust feature set including hybrid ANC, LDAC support, multipoint Bluetooth, and an impressive 100-hour battery life with ANC off. Its sound is lively and well-tuned for the price, while the build and controls feel solid for the cost, though some compromises exist in water resistance and EQ customization. Overall, it's a standout value pick for anyone seeking long battery life and capable noise cancellation without spending a fortune.
- Pro:Exceptional battery life of up to 100 hours
- Pro:Effective hybrid ANC for the price
- Pro:Supports high-quality LDAC codec
- Con:Basic IPX2 water resistance only
- Con:EQ customization is limited
- Con:Not foldable for easy portability
Sennheiser PXC 550-II Wireless
The Sennheiser PXC 550-II Wireless are over-ear headphones that combine solid active noise cancellation with a clean, balanced sound signature. They offer a long battery life that can stretch further with ANC off, plus support for several high-quality Bluetooth codecs and multipoint connectivity. While they perform well overall, they are seen as a modest update over their predecessor rather than a major leap forward.
- Pro:Excellent noise cancellation for blocking ambient noise
- Pro:Balanced, mature sound quality that suits most genres
- Pro:Long battery life, especially with ANC disabled
- Con:Only a minor upgrade from the previous model
- Con:No USB-C charging port
- Con:Touch controls can be finicky for some users
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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