Why is ATH-R50x better than KH-BT04?
- Lowest frequency5 Hz vs 20 Hz4×
- Highest frequency40,000 Hz vs 20,000 Hz2×
- Weight207 g vs 245 g+18%
Why is KH-BT04 better than ATH-R50x?
- Active noise cancellingNo · ATH-R50x: Yes
Specifications
Side by side
| Sound | ||
| Fit | On-ear | Over-ear |
| Ear cup design | — | Closed-back |
| Driver type | — | Dynamic |
| Driver size | — | 40 mm |
| Lowest frequency | 5 Hz | 20 Hz |
| Highest frequency | 40,000 Hz | 20,000 Hz |
| Impedance | 50 Ω | 32 Ω |
| Sensitivity | 93 dB | — |
| Hi-Res Audio | — | Yes |
| Noise control | ||
| Active noise cancelling | No | Yes |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | — | 60 h |
| Battery life with ANC | — | 40 h |
| Battery capacity | — | 800 mAh |
| Charging time | — | 1.5 h |
| Connectivity | ||
| Wireless | No | Yes |
| Bluetooth version | — | 5.4 |
| Bluetooth codecs | — | aptX HD |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | Yes |
| aptX | — | Yes |
| LDAC | — | No |
| 3.5 mm jack / AUX | Yes | — |
| Design & build | ||
| Weight | 207 g | 245 g |
| Foldable | — | Yes |
| Colours | Black | Black |
| Features | ||
| Hands-free calls | — | Yes |








