vs
4.0Noise control & calls6.2
Why is SR225x better than Fidelio L4?
- Driver size44 mm vs 40 mm+10%
Why is Fidelio L4 better than SR225x?
- Active noise cancellingNo · SR225x: Yes
- Lowest frequency20 Hz vs 7 Hz2.9×
- Highest frequency22,000 Hz vs 40,000 Hz+82%
Specifications
Side by side
| Sound | ||
| Fit | On-ear | Over-ear |
| Ear cup design | — | Closed-back |
| Driver type | — | Dynamic |
| Driver size | 44 mm | 40 mm |
| Lowest frequency | 20 Hz | 7 Hz |
| Highest frequency | 22,000 Hz | 40,000 Hz |
| Impedance | 38 Ω | 16 Ω |
| Sensitivity | 99 dB | 99 dB |
| Hi-Res Audio | — | Yes |
| Noise control | ||
| Active noise cancelling | No | Yes |
| Transparency / ambient mode | — | Yes |
| Microphones | — | 2 |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | — | 50 h |
| Battery life with ANC | — | 40 h |
| Battery capacity | — | 800 mAh |
| Charging time | — | 2 h |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | No | Yes |
| Bluetooth version | — | 5.3 |
| Bluetooth codecs | — | LDAC, LC3, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | Yes |
| aptX | — | No |
| LDAC | — | Yes |
| Multipoint (two devices) | — | Yes |
| LE Audio | — | Yes |
| 3.5 mm jack / AUX | — | Yes |
| Smart & streaming | ||
| Voice assistant | — | Google Assistant |
| Design & build | ||
| Colours | Black | Black |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | — | Yes |
