Why is RB-HJ800 better than Q31i?
- Battery life100 h vs 80 h+25%
- Weight260 g vs 267 g+3%
Why is Q31i better than RB-HJ800?
- Hi-res codec (LDAC / aptX HD / LHDC)No · RB-HJ800: Yes
- Highest frequency20,000 Hz vs 40,000 Hz2×
- Charging time4 h vs 2 h2×
- LDACNo · RB-HJ800: Yes
Specifications
Side by side
| Sound | ||
| Driver type | Dynamic | Dynamic |
| Driver size | 40 mm | 40 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 40,000 Hz |
| Impedance | — | 16 Ω |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | Yes | Yes |
| Battery & charging | ||
| Battery life | 100 h | 80 h |
| Charging time | 4 h | 2 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | — | 6 |
| Bluetooth codecs | 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 |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Design & build | ||
| Weight | 260 g | 267 g |
| Foldable | Yes | Yes |
| Features | ||
| Hands-free calls | Yes | Yes |
