Why is W80 better than KH-BT04?
- Battery life65 h vs 60 h+8%
- Highest frequency40,000 Hz vs 20,000 Hz2×
- LDACYes · KH-BT04: No
Why is KH-BT04 better than W80?
- aptXNo · W80: Yes
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | Over-ear |
| Ear cup design | — | Closed-back |
| Driver type | — | Dynamic |
| Driver size | — | 40 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 40,000 Hz | 20,000 Hz |
| Impedance | — | 32 Ω |
| Sensitivity | 91 dB | — |
| Hi-Res Audio | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 65 h | 60 h |
| Battery life with ANC | 40 h | 40 h |
| Battery capacity | — | 800 mAh |
| Charging time | — | 1.5 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.4 |
| Bluetooth codecs | LDAC, AAC, SBC | aptX HD |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | Yes |
| aptX | No | Yes |
| LDAC | Yes | No |
| Design & build | ||
| Weight | — | 245 g |
| Foldable | — | Yes |
| Colours | — | Black |
| Features | ||
| Hands-free calls | — | Yes |
