vs
6.0Noise control & calls8.6
3.6Battery7.7
Why is JBUDS OPEN WIRELESS better than KH-BT04?
- Bluetooth version6 vs 5.4+11%
Why is KH-BT04 better than JBUDS OPEN WIRELESS?
- Battery life24 h vs 60 h2.5×
- Hi-res codec (LDAC / aptX HD / LHDC)No · JBUDS OPEN WIRELESS: Yes
- Battery capacity380 mAh vs 800 mAh2.1×
- aptXNo · JBUDS OPEN WIRELESS: Yes
- Charging time2.5 h vs 1.5 h+67%
- Driver size35 mm vs 40 mm+14%
Specifications
Side by side
| Sound | ||
| Fit | Open-ear | Over-ear |
| Ear cup design | Open-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 35 mm | 40 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | 16 Ω | 32 Ω |
| Sensitivity | 94 dB | — |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Noise reduction (claimed) | 42 dB | — |
| Transparency / ambient mode | Yes | — |
| Microphones | 2 | — |
| Noise reduction for calls | Yes | Yes |
| Battery & charging | ||
| Battery life | 24 h | 60 h |
| Battery life with ANC | — | 40 h |
| Battery capacity | 380 mAh | 800 mAh |
| Charging time | 2.5 h | 1.5 h |
| Quick charge (claimed) | 10 min → 2.5 h | — |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 6 | 5.4 |
| Bluetooth codecs | AAC, SBC | aptX HD |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | Yes |
| aptX | No | Yes |
| LDAC | No | No |
| Multipoint (two devices) | Yes | — |
| USB-C | Yes | — |
| 3.5 mm jack / AUX | Yes | — |
| Latency | 200 ms | — |
| Low-latency game mode | Yes | — |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Weight | 245 g | 245 g |
| Foldable | Yes | Yes |
| Colours | — | Black |
| Features | ||
| Hands-free calls | Yes | Yes |
