Why is Hi-X25BT better than SRH840A?
- Driver size44 mm vs 40 mm+10%
Why is SRH840A better than Hi-X25BT?
- Lowest frequency12 Hz vs 5 Hz2.4×
- Highest frequency24,000 Hz vs 25,000 Hz+4%
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | Over-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 44 mm | 40 mm |
| Lowest frequency | 12 Hz | 5 Hz |
| Highest frequency | 24,000 Hz | 25,000 Hz |
| Impedance | 25 Ω | 40 Ω |
| Sensitivity | 113 dB | 97 dB |
| Noise control | ||
| Active noise cancelling | No | No |
| Battery & charging | ||
| Battery life | 30 h | — |
| Connectivity | ||
| Wireless | Yes | No |
| Bluetooth version | 5 | — |
| Bluetooth codecs | SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| USB-C | Yes | — |
| 3.5 mm jack / AUX | Yes | Yes |
| Design & build | ||
| Weight | 270 g | 273 g |
| Foldable | Yes | — |
| Colours | Black | Black |
| Features | ||
| Touch controls | Yes | — |
| Hands-free calls | Yes | — |
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