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1 / 9@mellow_maple_87 · Owner-reported
Owned 1–6 months · Still using it: yes, daily · Posted
The customer support is really good, they can ship worldwide for free if it's a problem with your specific unit. Sound is really good and can be enhanced with autoeq. Had a problem when one earbud made a buzz sound, then one sustained less charge than the other one, fixed with CS
@warm_pulsar_26 · Owner-reported
Owned over 2 years · Still using it: yes, daily · Posted
I'm still surprised with the sound quality for the price, it's an insane value. But sadly I will be looking others after 2 years of ownership, because the left earbud is quieter than the right earbud, probably due to me dropping them quite often.
Own it? Your review joins these
Three answers, four quick reads, one sentence nobody tells you before buying · Sign-in needed to publish · Photo optional
At 7.5, its noise cancelling beats 33% of wireless earbuds we've measured.
Measured on 91 of the 252 we've cataloged.
A 4.8 puts its audio quality in the top half of wireless earbuds we've measured.
Measured on 64 of the 252 we've cataloged.
2 of 2 would buy again. 2 of 2 still use it daily.
Owned 1–6 months to over 2 years.
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.
IPX5 appears on 10% of the 232 wireless earbuds we've cataloged (of 252).
Adaptive appears on 6% 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.
EarFun Air Pro 4 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 | 1.4 |
| 25 | 3.9 |
| 32 | 5.6 |
| 40 | 6.1 |
| 50 | 5.9 |
| 63 | 5.1 |
| 80 | 3.9 |
| 100 | 2.2 |
| 125 | 1.0 |
| 160 | -0.3 |
| 200 | -1.0 |
| 250 | -1.4 |
| 315 | -2.0 |
| 400 | -3.6 |
| 500 | -4.2 |
| 630 | -3.0 |
| 800 | -2.7 |
| 1000 | -1.5 |
| 1250 | 0.8 |
| 1600 | 3.7 |
| 2000 | 6.1 |
| 2500 | 8.3 |
| 3150 | 8.5 |
| 4000 | 8.4 |
| 5000 | 5.9 |
| 6300 | 2.6 |
| 8000 | 3.1 |
| 10000 | -2.6 |
| 12500 | 2.8 |
| 16000 | -5.2 |
| 20000 | -22.1 |
EarFun Air Pro 4 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 | -4.8 |
| 26 | 0.6 |
| 33 | 1.5 |
| 41 | 2.0 |
| 52 | 3.5 |
| 65 | 2.6 |
| 82 | 3.0 |
| 103 | 2.4 |
| 130 | 1.7 |
| 163 | 4.3 |
| 205 | 5.4 |
| 259 | 6.1 |
| 325 | 4.5 |
| 410 | 8.2 |
| 516 | 7.0 |
| 613 | 7.6 |
| 772 | 11.8 |
| 972 | 11.7 |
| 1220 | 13.9 |
| 1540 | 16.6 |
| 1940 | 20.2 |
| 2440 | 22.3 |
| 3070 | 25.1 |
| 3870 | 22.8 |
| 4870 | 19.1 |
| 6130 | 26.4 |
| 7720 | 21.4 |
| 9720 | 34.0 |
| 12200 | 18.7 |
| 15400 | 23.8 |
| 19400 | 38.6 |
| Frequency (Hz) | Total attenuation (dB) |
|---|---|
| 21 | 0.3 |
| 26 | 1.6 |
| 33 | 7.5 |
| 41 | 11.6 |
| 52 | 19.9 |
| 65 | 18.2 |
| 82 | 20.1 |
| 103 | 16.8 |
| 130 | 17.3 |
| 163 | 23.2 |
| 205 | 23.7 |
| 259 | 20.9 |
| 325 | 12.5 |
| 410 | 13.9 |
| 516 | 13.7 |
| 613 | 12.8 |
| 772 | 18.6 |
| 972 | 22.4 |
| 1220 | 30.4 |
| 1540 | 34.1 |
| 1940 | 24.8 |
| 2440 | 27.9 |
| 3070 | 25.3 |
| 3870 | 20.5 |
| 4870 | 18.5 |
| 6130 | 28.0 |
| 7720 | 21.3 |
| 9720 | 33.9 |
| 12200 | 22.5 |
| 15400 | 23.8 |
| 19400 | 36.3 |
EarFun Air Pro 4 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 EarFun Air Pro 4 are a significant upgrade over their predecessor, and are some of the best earbuds you can buy at this price.
✓Liked: Sound quality, Noise canceling, Bluetooth 5.4 with LDAC, aptX, Comfort
✕Could be better: ANC impacts sound quality, Microphones not great in noisy environments
What readers who own the EarFun Air Pro 4 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.
2 owner reviews
MMEvery 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: yes, daily · Posted
Would buy againThe customer support is really good, they can ship worldwide for free if it's a problem with your specific unit. Sound is really good and can be enhanced with autoeq. Had a problem when one earbud made a buzz sound, then one sustained less charge than the other one, fixed with CS
WPEvery 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 againI'm still surprised with the sound quality for the price, it's an insane value. But sadly I will be looking others after 2 years of ownership, because the left earbud is quieter than the right earbud, probably due to me dropping them quite often.
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What readers ask about the EarFun Air Pro 4, answered by the people who own it.
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Ask the first question →Video reviews and comparisons for this product.
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
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
