vs
7.8Noise control & calls5.8
8.2Battery6.4
Why is Monitor III ANC better than Fidelio L4?
- Battery life100 h vs 50 h2×
- Battery life with ANC70 h vs 40 h+75%
Why is Fidelio L4 better than Monitor III ANC?
- Hi-res codec (LDAC / aptX HD / LHDC)No · Monitor III ANC: Yes
- Lowest frequency20 Hz vs 7 Hz2.9×
- Highest frequency20,000 Hz vs 40,000 Hz2×
- LDACNo · Monitor III ANC: Yes
- Charging time3 h vs 2 h+50%
- Driver size32 mm vs 40 mm+25%
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | Over-ear |
| Ear cup design | — | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 32 mm | 40 mm |
| Lowest frequency | 20 Hz | 7 Hz |
| Highest frequency | 20,000 Hz | 40,000 Hz |
| Impedance | 46 Ω | 16 Ω |
| Sensitivity | 92 dB | 99 dB |
| Spatial / 3D audio | Yes | — |
| Hi-Res Audio | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | Yes | Yes |
| Microphones | — | 2 |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 100 h | 50 h |
| Battery life with ANC | 70 h | 40 h |
| Battery capacity | — | 800 mAh |
| Charging time | 3 h | 2 h |
| Fast charging support | Yes | Yes |
| Wireless charging (case) | No | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.3 |
| Bluetooth codecs | AAC, SBC | LDAC, LC3, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | Yes |
| aptX | No | No |
| LDAC | No | Yes |
| Multipoint (two devices) | — | Yes |
| LE Audio | Yes | Yes |
| USB-C | Yes | — |
| 3.5 mm jack / AUX | Yes | Yes |
| Smart & streaming | ||
| Voice assistant | — | Google Assistant |
| Design & build | ||
| Weight | 250 g | — |
| Water resistance (IPx) | IPx0 | — |
| Foldable | Yes | — |
| Colours | — | Black |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | Yes | Yes |
