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A 6.3 puts its noise isolation / ANC in the top third of wireless earbuds we've measured.
Measured on 133 of the 271 we've cataloged.
above average for wireless earbuds — based on 243 of 271 we've cataloged.
above average for wireless earbuds — based on 245 of 271 we've cataloged.
IP55 appears on 16% of the 244 wireless earbuds we've cataloged (of 271).
Adaptive appears on 8% of the 172 wireless earbuds we've cataloged (of 271).
The EarFun Air Pro 4+ are an excellent value under $100. These wireless earbuds have every modern feature you could ask for, despite costing half the price of competitors.
Objective measurements from the SoundGuys test lab — overlay other models to see how this one compares.
Measured frequency response (dB) against the SoundGuys house target — the dashed curve. The closer the measured line tracks the target, the more neutral the tuning; peaks ride above the target, dips fall below it.
| Frequency (Hz) | Response (dB) |
|---|---|
| 20 | 6.5 |
| 25 | 6.5 |
| 32 | 6.3 |
| 40 | 5.9 |
| 50 | 5.3 |
| 63 | 4.6 |
| 80 | 3.3 |
| 100 | 1.3 |
| 125 | 0.3 |
| 160 | -0.5 |
| 200 | -1.6 |
| 250 | -2.2 |
| 315 | -2.8 |
| 400 | -3.4 |
| 500 | -2.7 |
| 630 | -2.1 |
| 800 | -0.7 |
| 1000 | 0.0 |
| 1250 | 1.3 |
| 1600 | 3.3 |
| 2000 | 5.3 |
| 2500 | 7.7 |
| 3150 | 8.3 |
| 4000 | 5.7 |
| 5000 | 4.0 |
| 6300 | 6.3 |
| 8000 | 6.5 |
| 10000 | 1.2 |
| 12500 | 3.7 |
| 16000 | 5.1 |
| 20000 | -6.3 |
Passive isolation (dB) with ANC off — how much ambient noise the fit blocks on its own. Higher on the chart means more attenuation.
| Frequency (Hz) | Attenuation (dB) |
|---|---|
| 21 | 9.2 |
| 26 | 1.4 |
| 33 | 2.2 |
| 41 | 2.7 |
| 52 | 1.9 |
| 65 | 3.6 |
| 82 | 3.4 |
| 103 | 3.3 |
| 130 | 2.7 |
| 163 | 5.5 |
| 205 | 7.0 |
| 259 | 7.9 |
| 325 | 7.0 |
| 410 | 12.0 |
| 516 | 9.7 |
| 613 | 9.1 |
| 772 | 12.6 |
| 972 | 14.7 |
| 1220 | 15.9 |
| 1540 | 17.5 |
| 1940 | 20.7 |
| 2440 | 24.9 |
| 3070 | 29.1 |
| 3870 | 25.7 |
| 4870 | 17.8 |
| 6130 | 24.7 |
| 7720 | 20.6 |
| 9720 | 42.5 |
| 12200 | 26.2 |
| 15400 | 32.4 |
| 19400 | 19.6 |
Total attenuation (dB) with ANC on — passive isolation plus active noise cancelling. Higher on the chart means more attenuation.
| Frequency (Hz) | Total attenuation (dB) |
|---|---|
| 21 | 1.7 |
| 26 | 2.2 |
| 33 | 6.4 |
| 41 | 12.1 |
| 52 | 16.4 |
| 65 | 26.8 |
| 82 | 31.4 |
| 103 | 25.3 |
| 130 | 23.6 |
| 163 | 31.7 |
| 205 | 32.3 |
| 259 | 26.9 |
| 325 | 16.0 |
| 410 | 22.0 |
| 516 | 16.4 |
| 613 | 13.0 |
| 772 | 18.0 |
| 972 | 24.2 |
| 1220 | 30.3 |
| 1540 | 32.8 |
| 1940 | 33.5 |
| 2440 | 36.5 |
| 3070 | 29.3 |
| 3870 | 26.9 |
| 4870 | 20.5 |
| 6130 | 23.3 |
| 7720 | 18.5 |
| 9720 | 37.1 |
| 12200 | 26.0 |
| 15400 | 22.1 |
| 19400 | 17.0 |
Video reviews and comparisons for this product.
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