vs
8.2Battery3.6
Why is Push 540 Open better than E4 Pro?
- Battery life10 h vs 6 h+67%
- Driver size12 mm vs 10 mm+20%
Why is E4 Pro better than Push 540 Open?
- Weight60 g vs 50 g+21%
- Bluetooth version5.3 vs 6+13%
Specifications
Side by side
| Sound | ||
| Fit | Open-ear | In-ear |
| Ear cup design | Open-back | — |
| Driver type | — | Dynamic |
| Driver size | 12 mm | 10 mm |
| Lowest frequency | 20 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Impedance | 16 Ω | 24 Ω |
| Sensitivity | 114 dB | 90 dB |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | — | Yes |
| Battery & charging | ||
| Battery life | 10 h | 6 h |
| Total with charging case | 42 h | — |
| Quick charge (claimed) | 10 min → 2 h | — |
| Fast charging support | Yes | — |
| Wireless charging (case) | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 6 |
| Bluetooth codecs | LC3 | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| Multipoint (two devices) | Yes | Yes |
| LE Audio | Yes | — |
| USB-C | — | Yes |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Weight | 60 g | 50 g |
| Protection rating | IP44 | — |
| Water resistance (IPx) | IPx4 | — |
| Dust protection (IP) | 4 | — |
| Colours | Plasma, True Black, Bone | — |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |



