vs
6.8Battery4.4
Why is Air 2 better than Momentum True Wireless 4?
- Battery life9 h vs 7 h+29%
- Water resistance (IPx)IPx7 vs IPx4+75%
- Charging time1.5 h vs 4 h2.7×
- Total with charging case40 h vs 30 h+33%
- LDACYes · Momentum True Wireless 4: No
- Driver size10 mm vs 7 mm+43%
- Microphones4 vs 3+33%
Why is Momentum True Wireless 4 better than Air 2?
- aptXNo · Air 2: Yes
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | — | Closed-back |
| Driver type | — | Dynamic |
| Driver size | 10 mm | 7 mm |
| Lowest frequency | — | 5 Hz |
| Highest frequency | — | 21,000 Hz |
| Sensitivity | — | 107 dB |
| Hi-Res Audio | Yes | Yes |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | — | Yes |
| Adaptive ANC | — | Yes |
| Transparency / ambient mode | — | Yes |
| Microphones | 4 | 3 |
| Noise reduction for calls | Yes | Yes |
| Battery & charging | ||
| Battery life | 9 h | 7 h |
| Battery life with ANC | — | 6 h |
| Total with charging case | 40 h | 30 h |
| Battery capacity | 40 mAh | — |
| Charging time | 1.5 h | 4 h |
| Quick charge (claimed) | — | 8 min → 1 h |
| Fast charging support | Yes | Yes |
| Wireless charging (case) | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.4 |
| Bluetooth codecs | LDAC, SBC | aptX Lossless, aptX Adaptive, aptX, LC3, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | Yes |
| aptX | No | Yes |
| LDAC | Yes | No |
| Multipoint (two devices) | — | Yes |
| LE Audio | — | Yes |
| Auracast | — | Yes |
| USB-C | Yes | Yes |
| Low-latency game mode | Yes | — |
| Smart & streaming | ||
| Voice assistant | — | Alexa, Google Assistant |
| Companion app | Yes | — |
| Design & build | ||
| Earbud weight (each) | — | 6.2 g |
| Protection rating | IPX7 | IP54 |
| Water resistance (IPx) | IPx7 | IPx4 |
| Dust protection (IP) | — | 5 |
| Colours | — | Black Copper, Black Graphite, Denim, Gold, White Silver |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | — | Yes |
