

Sennheiser MOMENTUM True Wireless 4
1 of 2 would buy again
2 owners
The battery beat their expectations
Comfort beat their expectations
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1 / 10Stay aware while staying in shape.
A 3 puts its noise isolation in the bottom quarter of wireless earbuds we've measured.
Measured on 133 of the 256 we've cataloged.
A 1.4 puts its audio quality in the bottom 10% of wireless earbuds we've measured.
Measured on 65 of the 256 we've cataloged.
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above average for wireless earbuds — based on 240 of 256 we've cataloged.
above average for wireless earbuds — based on 238 of 256 we've cataloged.
IP55 appears on 17% of the 235 wireless earbuds we've cataloged (of 256).
Objective measurements from the SoundGuys test lab — overlay other models to see how this one compares.
Anker Soundcore AeroFit 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 | -32.6 |
| 25 | -23.8 |
| 32 | -29.9 |
| 40 | -26.2 |
| 50 | -22.2 |
| 63 | -18.0 |
| 80 | -14.1 |
| 100 | -10.6 |
| 125 | -7.6 |
| 160 | -4.8 |
| 200 | -3.3 |
| 250 | -1.2 |
| 315 | 1.1 |
| 400 | 2.3 |
| 500 | 3.2 |
| 630 | 3.8 |
| 800 | 4.1 |
| 1000 | 4.0 |
| 1250 | 3.8 |
| 1600 | 3.7 |
| 2000 | 3.4 |
| 2500 | 3.2 |
| 3150 | 3.8 |
| 4000 | 4.4 |
| 5000 | 4.2 |
| 6300 | 6.9 |
| 8000 | 10.8 |
| 10000 | 2.2 |
| 12500 | 0.9 |
| 16000 | -4.5 |
| 20000 | -11.2 |
Anker Soundcore AeroFit 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. Higher on the chart means more attenuation.
| Frequency (Hz) | Attenuation (dB) |
|---|---|
| 21 | 2.5 |
| 26 | -1.1 |
| 33 | -0.2 |
| 41 | 0.6 |
| 52 | -0.3 |
| 65 | -0.1 |
| 82 | -0.2 |
| 103 | -0.1 |
| 130 | 0.1 |
| 163 | -0.1 |
| 205 | 0.0 |
| 259 | -0.2 |
| 325 | 0.1 |
| 410 | -0.1 |
| 516 | -0.3 |
| 613 | -0.3 |
| 772 | -0.4 |
| 972 | -0.5 |
| 1220 | -1.1 |
| 1540 | -1.1 |
| 1940 | -2.4 |
| 2440 | -2.5 |
| 3070 | 2.6 |
| 3870 | 4.2 |
| 4870 | 3.9 |
| 6130 | 5.9 |
| 7720 | 7.0 |
| 9720 | 7.2 |
| 12200 | -0.6 |
| 15400 | 2.9 |
| 19400 | 2.9 |
Anker Soundcore AeroFit 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 Anker Soundcore AeroFit open-fit earbuds are designed to keep you aware of your surroundings while listening to music and exercising in busy environments. Designed with outdoor cardio enthusiasts in mind, it's important to remember that open-ear style earbuds prioritize letting the outside world in over a detailed and immersive listening experience.
✓Liked: Secure fit, IPX7 protection rating, Allow you to maintain awareness naturally
✕Could be better: Lack of good-sounding preset EQs, Custom EQ is not very powerful
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What readers ask about the Anker Soundcore AeroFit, answered by the people who own it.
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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
Expected more from the noise cancelling


0 of 1 would buy again
1 owner
Comfort beat their expectations


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
