vs
4.0Noise control & calls6.9
Why is SRH840A better than Crusher ANC 2?
- Lowest frequency5 Hz vs 20 Hz4×
- Weight273 g vs 312 g+14%
- Highest frequency25,000 Hz vs 20,000 Hz+25%
Why is Crusher ANC 2 better than SRH840A?
- Active noise cancellingNo · SRH840A: Yes
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 | 5 Hz | 20 Hz |
| Highest frequency | 25,000 Hz | 20,000 Hz |
| Impedance | 40 Ω | 32 Ω |
| Sensitivity | 97 dB | 100 dB |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | No | Yes |
| Transparency / ambient mode | — | Yes |
| Microphones | — | 4 |
| Battery & charging | ||
| Battery life | — | 50 h |
| Battery life with ANC | — | 50 h |
| Charging time | — | 2.5 h |
| Quick charge (claimed) | — | 10 min → 4 h |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | No | Yes |
| Bluetooth version | — | 5.2 |
| Multipoint (two devices) | — | Yes |
| USB-C | — | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Smart & streaming | ||
| Companion app | — | Yes |
| Design & build | ||
| Weight | 273 g | 312 g |
| Foldable | — | Yes |
| Colours | Black | Realtree EDGE COLORS Drab, Drab, Plasma, True Black, Bone, Primer, Hazard, Realtree EDGE COLORS Espresso, All Love, Realtree EDGE COLORS Hazard, Leopard |
| Features | ||
| Hands-free calls | — | Yes |
