vs
7.8Noise control & calls8.6
9.0Battery7.7
Why is LIVE 680NC better than KH-BT04?
- Battery life80 h vs 60 h+33%
- Battery life with ANC50 h vs 40 h+25%
- Lowest frequency10 Hz vs 20 Hz2×
- Highest frequency40,000 Hz vs 20,000 Hz2×
- LDACYes · KH-BT04: No
- Bluetooth version6 vs 5.4+11%
- Weight231 g vs 245 g+6%
Why is KH-BT04 better than LIVE 680NC?
- aptXNo · LIVE 680NC: Yes
- Charging time2 h vs 1.5 h+33%
Specifications
Side by side
| Sound | ||
| Fit | — | Over-ear |
| Ear cup design | — | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 40 mm | 40 mm |
| Lowest frequency | 10 Hz | 20 Hz |
| Highest frequency | 40,000 Hz | 20,000 Hz |
| Impedance | 32 Ω | 32 Ω |
| Sensitivity | 98 dB | — |
| Hi-Res Audio | Yes | Yes |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | Yes | — |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 80 h | 60 h |
| Battery life with ANC | 50 h | 40 h |
| Battery capacity | — | 800 mAh |
| Charging time | 2 h | 1.5 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 6 | 5.4 |
| Bluetooth codecs | LDAC, LC3, AAC, SBC | aptX HD |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | Yes |
| aptX | No | Yes |
| LDAC | Yes | No |
| Multipoint (two devices) | Yes | — |
| LE Audio | Yes | — |
| USB-C | Yes | — |
| 3.5 mm jack / AUX | Yes | — |
| Design & build | ||
| Weight | 231 g | 245 g |
| Foldable | Yes | Yes |
| Colours | — | Black |
| Features | ||
| Touch controls | Yes | — |
| Hands-free calls | Yes | Yes |
