Why is WH-CH730N better than Q31i?
- Lowest frequency6 Hz vs 20 Hz3.3×
- Weight207 g vs 267 g+29%
Why is Q31i better than WH-CH730N?
- Hi-res codec (LDAC / aptX HD / LHDC)No · WH-CH730N: Yes
- Battery life75 h vs 80 h+7%
- Highest frequency20,000 Hz vs 40,000 Hz2×
- LDACNo · WH-CH730N: Yes
- Charging time3 h vs 2 h+50%
- Driver size30 mm vs 40 mm+33%
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | — |
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | Dynamic |
| Driver size | 30 mm | 40 mm |
| Lowest frequency | 6 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 40,000 Hz |
| Impedance | 100 Ω | 16 Ω |
| Sensitivity | 108 dB | — |
| Hi-Res Audio | Yes | Yes |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | Yes | Yes |
| Microphones | 2 | — |
| Battery & charging | ||
| Battery life | 75 h | 80 h |
| Battery life with ANC | 50 h | — |
| Charging time | 3 h | 2 h |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 6 | 6 |
| Bluetooth codecs | LC3, AAC, SBC | LDAC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | Yes |
| aptX | No | No |
| LDAC | No | Yes |
| Multipoint (two devices) | Yes | Yes |
| LE Audio | Yes | — |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Design & build | ||
| Weight | 207 g | 267 g |
| Foldable | Yes | Yes |
| Features | ||
| Hands-free calls | Yes | Yes |
