vs
4.2Noise control & calls9.3
6.0Battery3.6
Why is AeroFit 2 AI better than E4 Pro?
- Battery life8 h vs 6 h+33%
- Hi-res codec (LDAC / aptX HD / LHDC)Yes · E4 Pro: No
- LDACYes · E4 Pro: No
Why is E4 Pro better than AeroFit 2 AI?
- Active noise cancellingNo · AeroFit 2 AI: Yes
- Bluetooth version5.4 vs 6+11%
- Driver size5.5 mm vs 10 mm+82%
Specifications
Side by side
| Sound | ||
| Fit | Open-ear | In-ear |
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | Dynamic |
| Driver size | 5.5 mm | 10 mm |
| Lowest frequency | 20 Hz | — |
| Highest frequency | 40,000 Hz | — |
| Impedance | — | 24 Ω |
| Sensitivity | 42 dB | 90 dB |
| Hi-Res Audio | Yes | — |
| Noise control | ||
| Active noise cancelling | No | Yes |
| Microphones | 4 | — |
| Battery & charging | ||
| Battery life | 8 h | 6 h |
| Total with charging case | 35 h | — |
| Quick charge (claimed) | 10 min → 4 h | — |
| Fast charging support | Yes | — |
| Wireless charging (case) | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 6 |
| Bluetooth codecs | LDAC, SBC | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | No |
| aptX | No | No |
| LDAC | Yes | No |
| Multipoint (two devices) | Yes | Yes |
| USB-C | — | Yes |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Weight | — | 50 g |
| Earbud weight (each) | 10 g | — |
| Protection rating | IP55 | — |
| Water resistance (IPx) | IPx5 | — |
| Dust protection (IP) | 5 | — |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
