Why is KH-BT04 better than WH-CH735N?
- Hi-res codec (LDAC / aptX HD / LHDC)Yes · WH-CH735N: No
- Charging time1.5 h vs 3 h2×
- aptXYes · WH-CH735N: No
- Driver size40 mm vs 30 mm+33%
Why is WH-CH735N better than KH-BT04?
- Battery life60 h vs 75 h+25%
- Lowest frequency20 Hz vs 6 Hz3.3×
- Battery life with ANC40 h vs 50 h+25%
- Weight245 g vs 207 g+18%
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | Over-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 40 mm | 30 mm |
| Lowest frequency | 20 Hz | 6 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | 32 Ω | 100 Ω |
| Sensitivity | — | 108 dB |
| Hi-Res Audio | Yes | Yes |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | — | Yes |
| Microphones | — | 2 |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 60 h | 75 h |
| Battery life with ANC | 40 h | 50 h |
| Battery capacity | 800 mAh | — |
| Charging time | 1.5 h | 3 h |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | — |
| Bluetooth codecs | aptX HD | LC3, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | No |
| aptX | Yes | No |
| LDAC | No | No |
| Multipoint (two devices) | — | Yes |
| LE Audio | — | Yes |
| 3.5 mm jack / AUX | — | Yes |
| Design & build | ||
| Weight | 245 g | 207 g |
| Foldable | Yes | Yes |
| Colours | Black | — |
| Features | ||
| Hands-free calls | Yes | Yes |
