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1 / 7The JBL Reflect Flow Pro is a solid choice for people who want reliable earbuds for anything from working out to commuting.
A 3.1 puts its noise isolation / ANC in the bottom quarter 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.
below average for wireless earbuds — based on 245 of 271 we've cataloged.
IP68 appears on 1% of the 244 wireless earbuds we've cataloged (of 271).
Active is the most common — on 61% of the 172 wireless earbuds we've cataloged (of 271).
The JBL Reflect Flow Pro is a good option for people who are on the move and need a pair of earbuds to take them through their workouts, commute, and errands. The water-resistance and secure fit along with good sound quality make this a solid pair of buds for many uses. Listeners can find better noise cancellation at this price, however, which may drive some people to alternative headsets from Samsung or Amazon.
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 | 11.7 |
| 25 | 11.6 |
| 32 | 11.2 |
| 40 | 10.7 |
| 50 | 10.2 |
| 63 | 9.3 |
| 80 | 8.1 |
| 100 | 6.5 |
| 125 | 4.8 |
| 160 | 2.9 |
| 200 | 2.1 |
| 250 | 2.0 |
| 315 | 1.0 |
| 400 | -0.8 |
| 500 | -2.5 |
| 630 | -2.1 |
| 800 | -0.5 |
| 1000 | 0.2 |
| 1250 | 2.8 |
| 1600 | 4.9 |
| 2000 | 6.9 |
| 2500 | 9.9 |
| 3150 | 11.0 |
| 4000 | 8.4 |
| 5000 | 7.6 |
| 6300 | 13.9 |
| 8000 | 9.9 |
| 10000 | 4.2 |
| 12500 | -1.8 |
| 16000 | -5.6 |
| 20000 | -15.6 |
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 | 0.9 |
| 26 | 0.2 |
| 33 | 0.2 |
| 41 | 0.2 |
| 52 | 0.3 |
| 65 | 0.2 |
| 82 | 0.1 |
| 103 | -0.2 |
| 130 | -0.4 |
| 163 | 0.5 |
| 205 | -0.2 |
| 259 | -0.3 |
| 325 | 0.2 |
| 410 | 4.5 |
| 516 | 7.6 |
| 613 | 5.6 |
| 772 | 9.0 |
| 972 | 9.6 |
| 1220 | 12.0 |
| 1540 | 14.0 |
| 1940 | 17.5 |
| 2440 | 19.8 |
| 3070 | 28.1 |
| 3870 | 30.3 |
| 4870 | 30.7 |
| 6130 | 19.1 |
| 7720 | 19.7 |
| 9720 | 19.1 |
| 12200 | 22.8 |
| 15400 | 22.3 |
| 19400 | 29.2 |
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 | -0.3 |
| 26 | -2.2 |
| 33 | 1.7 |
| 41 | 1.7 |
| 52 | 2.0 |
| 65 | 2.6 |
| 82 | 3.8 |
| 103 | 5.9 |
| 130 | 8.0 |
| 163 | 9.2 |
| 205 | 6.5 |
| 259 | 5.2 |
| 325 | 4.5 |
| 410 | 7.3 |
| 516 | 11.0 |
| 613 | 8.3 |
| 772 | 10.3 |
| 972 | 12.2 |
| 1220 | 14.9 |
| 1540 | 18.5 |
| 1940 | 19.8 |
| 2440 | 19.1 |
| 3070 | 24.6 |
| 3870 | 25.6 |
| 4870 | 28.7 |
| 6130 | 17.1 |
| 7720 | 18.1 |
| 9720 | 19.7 |
| 12200 | 22.8 |
| 15400 | 21.8 |
| 19400 | 25.4 |
Commentary and deep dives from the SoundGuys editorial team.











