vs
5.8Noise control & calls3.8
6.4Battery6.7
Why is Fidelio L4 better than Real Blue Pro?
- Active noise cancellingYes · Real Blue Pro: No
- Hi-res codec (LDAC / aptX HD / LHDC)Yes · Real Blue Pro: No
- LDACYes · Real Blue Pro: No
- Highest frequency40,000 Hz vs 21,000 Hz+90%
- Bluetooth version5.3 vs 5.1+4%
- Lowest frequency7 Hz vs 10 Hz+43%
Why is Real Blue Pro better than Fidelio L4?
- Battery life50 h vs 56 h+12%
- aptXNo · Fidelio L4: Yes
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | On-ear |
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | — |
| Driver size | 40 mm | — |
| Lowest frequency | 7 Hz | 10 Hz |
| Highest frequency | 40,000 Hz | 21,000 Hz |
| Impedance | 16 Ω | — |
| Sensitivity | 99 dB | — |
| Hi-Res Audio | Yes | Yes |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Transparency / ambient mode | Yes | — |
| Microphones | 2 | — |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 50 h | 56 h |
| Battery life with ANC | 40 h | — |
| Battery capacity | 800 mAh | — |
| Charging time | 2 h | — |
| Fast charging support | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.1 |
| Bluetooth codecs | LDAC, LC3, AAC, SBC | aptX, AAC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | No |
| aptX | No | Yes |
| LDAC | Yes | No |
| Multipoint (two devices) | Yes | Yes |
| LE Audio | Yes | — |
| USB-C | — | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Smart & streaming | ||
| Voice assistant | Google Assistant | Siri |
| Design & build | ||
| Colours | Black | — |
| Features | ||
| Touch controls | Yes | — |
| Hands-free calls | Yes | — |
