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@eager_otter_49 · Owner-reported
Owned 1–2 years · Still using it: no, stopped · Posted
After 1.5 years of use: - unable to connect to earphones about 80% of the time - charging case no longer charges earbuds I am not a daily user, i use my earphones about 2-3 times per week. To see it degrade so much after minimal use is a huge disappointment.
@jade_lynx_29 · Owner-reported
Owned over 2 years · Still using it: yes, daily · Posted
The smart dial is a game changer. Amazingly satisfying with the way it rotates and clicks, and so much more convenient to have as an option for volume, fwd/back/skip actions. I think more mfgs should include it in their models too.
@nimble_oboe_20 · Owner-reported
Owned 1–6 months · Still using it: no, stopped · Posted
They don’t fit my ears
Own it? Your review joins these
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At 8.1, its noise cancelling beats 62% of wireless earbuds we've measured.
Measured on 91 of the 252 we've cataloged.
A 4.5 puts its audio quality in the bottom third of wireless earbuds we've measured.
Measured on 64 of the 252 we've cataloged.
1 of 4 would buy again. 2 of 4 still use it daily, 2 stopped.
Owned 1–6 months to over 2 years.
What gave out: Bluetooth connection (1) · Battery (1) · One bud quieter / dead (1)
above average for wireless earbuds — based on 236 of 252 we've cataloged.
above average for wireless earbuds — based on 235 of 252 we've cataloged.
IP55 appears on 17% of the 232 wireless earbuds we've cataloged (of 252).
Active is the most common — on 61% of the 172 wireless earbuds we've cataloged (of 252).
Objective measurements from the SoundGuys test lab — overlay other models to see how this one compares.
CMF by Nothing Buds Pro 2 Frequency Response (measured on a B&K 5128)
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Measured frequency response (dB relative) against the SoundGuys Headphone Preference Curve. When the measurement goes above the dashed line, that frequency is louder than our preference curve, and when it goes below: it's quieter. Use the curve for comparison purposes only, as your taste may vary.
| Frequency (Hz) | Response (dB) |
|---|---|
| 20 | 8.4 |
| 25 | 10.1 |
| 32 | 12.0 |
| 40 | 13.5 |
| 50 | 14.1 |
| 63 | 13.4 |
| 80 | 11.3 |
| 100 | 8.5 |
| 125 | 5.6 |
| 160 | 3.4 |
| 200 | 2.0 |
| 250 | 0.8 |
| 315 | -0.2 |
| 400 | -2.2 |
| 500 | -4.1 |
| 630 | -2.8 |
| 800 | -3.1 |
| 1000 | -3.3 |
| 1250 | -2.4 |
| 1600 | -0.2 |
| 2000 | 2.8 |
| 2500 | 6.1 |
| 3150 | 6.2 |
| 4000 | 4.3 |
| 5000 | 5.2 |
| 6300 | 5.1 |
| 8000 | 4.9 |
| 10000 | -3.5 |
| 12500 | 2.6 |
| 16000 | -5.0 |
| 20000 | -26.3 |
CMF by Nothing Buds Pro 2 Attenuation (measured on a B&K 5128)
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Solid lines: passive isolation (dB) with ANC off — how much ambient noise the fit blocks on its own. Dashed lines: total attenuation (dB) with ANC on — passive isolation plus active noise cancelling. Higher on the chart means more attenuation.
| Frequency (Hz) | Attenuation (dB) |
|---|---|
| 21 | 0.9 |
| 26 | 1.3 |
| 33 | 0.7 |
| 41 | 1.1 |
| 52 | 1.4 |
| 65 | 1.6 |
| 82 | 1.9 |
| 103 | 2.4 |
| 130 | 1.9 |
| 163 | 2.5 |
| 205 | 4.0 |
| 259 | 4.9 |
| 325 | 4.4 |
| 410 | 6.2 |
| 516 | 5.5 |
| 613 | 5.4 |
| 772 | 9.1 |
| 972 | 11.2 |
| 1220 | 12.4 |
| 1540 | 14.6 |
| 1940 | 18.3 |
| 2440 | 22.8 |
| 3070 | 28.2 |
| 3870 | 26.5 |
| 4870 | 20.2 |
| 6130 | 29.1 |
| 7720 | 33.2 |
| 9720 | 32.8 |
| 12200 | 29.7 |
| 15400 | 37.4 |
| 19400 | 35.5 |
| Frequency (Hz) | Total attenuation (dB) |
|---|---|
| 21 | 7.5 |
| 26 | 18.1 |
| 33 | 27.5 |
| 41 | 27.0 |
| 52 | 32.9 |
| 65 | 35.7 |
| 82 | 36.8 |
| 103 | 31.8 |
| 130 | 23.7 |
| 163 | 28.0 |
| 205 | 28.9 |
| 259 | 21.4 |
| 325 | 12.5 |
| 410 | 15.1 |
| 516 | 12.9 |
| 613 | 12.9 |
| 772 | 19.4 |
| 972 | 21.0 |
| 1220 | 20.8 |
| 1540 | 20.6 |
| 1940 | 23.9 |
| 2440 | 28.3 |
| 3070 | 30.5 |
| 3870 | 22.1 |
| 4870 | 17.1 |
| 6130 | 19.5 |
| 7720 | 21.3 |
| 9720 | 33.9 |
| 12200 | 27.0 |
| 15400 | 22.1 |
| 19400 | 34.0 |
CMF by Nothing Buds Pro 2 MDAQS
Multi-Dimensional Audio Quality Scores, Scale 1 - 5
Virtual mean opinion scores (MOS) on a 1–5 scale, modeled from the measured response by HEAD acoustics’ MDAQS (Multi-Dimensional Audio Quality Score) model. Higher is better across timbre, distortion, and immersiveness — add other models to see where this one lands.
The verdict
The CMF Buds Pro 2 punch well above their price point, offering solid sound quality and impressive ANC, with the innovative Smart Dial being the unexpected star of the show.
✓Liked: Good ANC, Smart Dial on case offers convenient controls, Comfortable, Nothing X app provides value
✕Could be better: Too much bass, No Multipoint (though dual device pairing is available)
What readers who own the CMF by Nothing Buds Pro 2 report after living with it. Owner-reported, checked before publishing; ordered photo-verified first, then newest.
Owner reviews are not paid for, not solicited from specific owners, and not rewritten by us: at most we proofread typos, which is shown on the review’s own page and which the author can undo. The commission SoundGuys may earn on this page comes from retail links, never from owner reviews.
4 owner reviews
EOEvery author writes under a generated pseudonym; a member can choose to show their name and photo beside it. A signed-in author’s email is never shown. Read more · The reader says they own it. We have not seen proof, and we say so — no label here is proof of a purchase. Read more · Owned 1–2 years · Still using it: no, stopped · Posted
Would not buy againAfter 1.5 years of use: - unable to connect to earphones about 80% of the time - charging case no longer charges earbuds I am not a daily user, i use my earphones about 2-3 times per week. To see it degrade so much after minimal use is a huge disappointment.
JLEvery author writes under a generated pseudonym; a member can choose to show their name and photo beside it. A signed-in author’s email is never shown. Read more · The reader says they own it. We have not seen proof, and we say so — no label here is proof of a purchase. Read more · Owned over 2 years · Still using it: yes, daily · Posted
Would buy againThe smart dial is a game changer. Amazingly satisfying with the way it rotates and clicks, and so much more convenient to have as an option for volume, fwd/back/skip actions. I think more mfgs should include it in their models too.
NOEvery author writes under a generated pseudonym; a member can choose to show their name and photo beside it. A signed-in author’s email is never shown. Read more · The reader says they own it. We have not seen proof, and we say so — no label here is proof of a purchase. Read more · Owned 1–6 months · Still using it: no, stopped · Posted
Would not buy againThey don’t fit my ears
CMEvery author writes under a generated pseudonym; a member can choose to show their name and photo beside it. A signed-in author’s email is never shown. Read more · The reader says they own it. We have not seen proof, and we say so — no label here is proof of a purchase. Read more · Owned 1–2 years · Still using it: yes, daily · Posted
Would not buy againReally impressive but battery gave up after 1 year of use. It shows that each one is fully charged but after taking out from case it was around 15%. Return to the seller and get my money back. Best part is the case with button/dial that was game changer for me.
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What readers ask about the CMF by Nothing Buds Pro 2, answered by the people who own it.
Nobody has asked the owners yet.
Ask the first question →Commentary and deep dives from the SoundGuys editorial team.
1 of 2 would buy again
2 owners
The battery beat their expectations
Comfort beat their expectations
1 of 1 would buy again
1 owner
Expected more from comfort
2 of 2 would buy again
2 owners · owners report ~10 h per charge vs 8.73 h claimed
Comfort beat their expectations
The battery beat their expectations
0 of 1 would buy again
1 owner
Comfort beat their expectations
0 of 1 would buy again
1 owner
Expected more from the noise cancelling
2 of 2 would buy again
2 owners
The battery beat their expectations
The battery beat their expectations
1 of 1 would buy again
1 owner · owners report ~7 h per charge vs 10 h claimed
Comfort beat their expectations
