Why is KNS 8402 better than HD 450BT?
- Lowest frequency5 Hz vs 18 Hz3.6×
- Highest frequency23,000 Hz vs 22,000 Hz+5%
Why is HD 450BT better than KNS 8402?
- Active noise cancellingNo · KNS 8402: Yes
- Weight247 g vs 238 g+4%
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | Over-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Lowest frequency | 5 Hz | 18 Hz |
| Highest frequency | 23,000 Hz | 22,000 Hz |
| Impedance | 36 Ω | — |
| Sensitivity | 97 dB | 108 dB |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | No | Yes |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | — | 30 h |
| Battery life with ANC | — | 30 h |
| Battery capacity | — | 600 mAh |
| Charging time | — | 2 h |
| Connectivity | ||
| Wireless | No | Yes |
| Bluetooth version | — | 5 |
| Bluetooth codecs | — | aptX, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | Yes |
| LDAC | — | No |
| USB-C | — | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Smart & streaming | ||
| Voice assistant | — | Google Assistant, Siri |
| Companion app | — | Yes |
| Design & build | ||
| Weight | 247 g | 238 g |
| Foldable | — | Yes |
| Colours | Black | Black, White |
| Features | ||
| Hands-free calls | — | Yes |
