vs
8.4Sound5.1
5.3Noise control & calls6.2
4.5Battery6.7
3.4Build & features7.0
Why is Momentum True Wireless 4 better than AeroFit 2 Pro?
- Lowest frequency5 Hz vs 20 Hz4×
- aptXYes · AeroFit 2 Pro: No
- Earbud weight (each)6.2 g vs 10.5 g+69%
- Highest frequency21,000 Hz vs 20,000 Hz+5%
Why is AeroFit 2 Pro better than Momentum True Wireless 4?
- Battery life with ANC6 h vs 24 h4×
- Charging time4 h vs 1 h4×
- Water resistance (IPx)IPx4 vs IPx5+25%
- LDACNo · Momentum True Wireless 4: Yes
- Total with charging case30 h vs 34 h+13%
- Bluetooth version5.4 vs 6.1+13%
- Driver size7 mm vs 11.8 mm+69%
- Microphones3 vs 4+33%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | Open-ear |
| Ear cup design | Closed-back | Open-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 7 mm | 11.8 mm |
| Lowest frequency | 5 Hz | 20 Hz |
| Highest frequency | 21,000 Hz | 20,000 Hz |
| Impedance | — | 16 Ω |
| Sensitivity | 107 dB | 92 dB |
| Spatial / 3D audio | — | Yes |
| Head tracking | — | Yes |
| Hi-Res Audio | Yes | Yes |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Adaptive ANC | Yes | — |
| Transparency / ambient mode | Yes | — |
| Microphones | 3 | 4 |
| Noise reduction for calls | Yes | Yes |
| Battery & charging | ||
| Battery life | 7 h | 7 h |
| Battery life with ANC | 6 h | 24 h |
| Total with charging case | 30 h | 34 h |
| Battery capacity | — | 60 mAh |
| Charging time | 4 h | 1 h |
| Quick charge (claimed) | 8 min → 1 h | 10 min → 3,5 h |
| Fast charging support | Yes | Yes |
| Wireless charging (case) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 6.1 |
| Bluetooth codecs | aptX Lossless, aptX Adaptive, aptX, LC3, AAC, SBC | LDAC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | Yes |
| aptX | Yes | No |
| LDAC | No | Yes |
| Multipoint (two devices) | Yes | Yes |
| LE Audio | Yes | — |
| Auracast | Yes | — |
| USB-C | Yes | Yes |
| Smart & streaming | ||
| Voice assistant | Alexa, Google Assistant | — |
| Companion app | — | Yes |
| Design & build | ||
| Earbud weight (each) | 6.2 g | 10.5 g |
| Protection rating | IP54 | IP55 |
| Water resistance (IPx) | IPx4 | IPx5 |
| Dust protection (IP) | 5 | 5 |
| Colours | Black Copper, Black Graphite, Denim, Gold, White Silver | Matte Black, Gloss White, Matte Purple, Gloss Blue |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
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