vs
5.8Noise control & calls7.8
6.4Battery4.3
Why is Fidelio L4 better than WH-1000XM4?
- Battery life50 h vs 38 h+32%
- Battery life with ANC40 h vs 30 h+33%
- Bluetooth version5.3 vs 5+6%
- Charging time2 h vs 3 h+50%
Why is WH-1000XM4 better than Fidelio L4?
- Lowest frequency7 Hz vs 4 Hz+75%
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | Over-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 40 mm | 40 mm |
| Number of drivers | — | 1 |
| Lowest frequency | 7 Hz | 4 Hz |
| Highest frequency | 40,000 Hz | 40,000 Hz |
| Impedance | 16 Ω | 16 Ω |
| Sensitivity | 99 dB | 101 dB |
| Hi-Res Audio | Yes | Yes |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | Yes | Yes |
| Microphones | 2 | — |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 50 h | 38 h |
| Battery life with ANC | 40 h | 30 h |
| Battery capacity | 800 mAh | — |
| Charging time | 2 h | 3 h |
| Quick charge (claimed) | — | 10 min → 5 h |
| Fast charging support | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5 |
| Bluetooth codecs | LDAC, LC3, AAC, SBC | LDAC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | Yes |
| aptX | No | No |
| LDAC | Yes | Yes |
| Multipoint (two devices) | Yes | Yes |
| LE Audio | Yes | — |
| NFC pairing | — | Yes |
| USB-C | — | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Smart & streaming | ||
| Voice assistant | Google Assistant | Google Assistant |
| Companion app | — | Yes |
| Design & build | ||
| Weight | — | 254 g |
| Foldable | — | Yes |
| Colours | Black | — |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
