vs
8.6Noise control & calls6.6
7.6Battery7.2
Why is KH-BT04 better than Headphones Studio?
- Battery life with ANC40 h vs 35 h+14%
Why is Headphones Studio better than KH-BT04?
- Battery life60 h vs 75 h+25%
- Weight245 g vs 238 g+3%
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | On-ear |
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | — |
| Driver size | 40 mm | 40 mm |
| Lowest frequency | 20 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Impedance | 32 Ω | — |
| Spatial / 3D audio | — | Yes |
| Hi-Res Audio | Yes | Yes |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Adaptive ANC | — | Yes |
| Transparency / ambient mode | — | Yes |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 60 h | 75 h |
| Battery life with ANC | 40 h | 35 h |
| Battery capacity | 800 mAh | — |
| Charging time | 1.5 h | — |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | — |
| Bluetooth codecs | aptX HD | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | — |
| aptX | Yes | — |
| LDAC | No | — |
| USB-C | — | Yes |
| Smart & streaming | ||
| Voice assistant | — | Google Assistant |
| Design & build | ||
| Weight | 245 g | 238 g |
| Foldable | Yes | — |
| Colours | Black | — |
| Features | ||
| Hands-free calls | Yes | — |
