vs
6.5Noise control & calls4.0
Why is Momentum 4 Wireless better than SRH840A?
- Active noise cancellingYes · SRH840A: No
- Driver size42 mm vs 40 mm+5%
Why is SRH840A better than Momentum 4 Wireless?
- Weight293 g vs 273 g+7%
- Lowest frequency6 Hz vs 5 Hz+20%
- Highest frequency22,000 Hz vs 25,000 Hz+14%
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | Over-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 42 mm | 40 mm |
| Lowest frequency | 6 Hz | 5 Hz |
| Highest frequency | 22,000 Hz | 25,000 Hz |
| Impedance | 60 Ω | 40 Ω |
| Sensitivity | 106 dB | 97 dB |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Adaptive ANC | Yes | — |
| Transparency / ambient mode | Yes | — |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 60 h | — |
| Battery life with ANC | 60 h | — |
| Battery capacity | 700 mAh | — |
| Charging time | 2 h | — |
| Quick charge (claimed) | 5 min → 4 h | — |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | No |
| Bluetooth version | 5.2 | — |
| Bluetooth codecs | aptX Adaptive, aptX, AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | — |
| aptX | Yes | — |
| LDAC | No | — |
| NFC pairing | Yes | — |
| USB-C | Yes | — |
| 3.5 mm jack / AUX | Yes | Yes |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Weight | 293 g | 273 g |
| Foldable | Yes | — |
| Colours | Black, Brown, Graphite, Teal, White, Denim, Copper | Black |
| Features | ||
| Touch controls | Yes | — |
| Wear detection (auto pause) | Yes | — |
| Hands-free calls | Yes | — |
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