Why is HDP DJ45 better than KH-KZ30?
- Driver size50 mm vs 30 mm+67%
Why is KH-KZ30 better than HDP DJ45?
- Charging time5 h vs 3 h+67%
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | — |
| Driver type | — | Dynamic |
| Driver size | 50 mm | 30 mm |
| Number of drivers | 2 | — |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | 60 Ω | — |
| Sensitivity | 95 dB | — |
| Noise control | ||
| Active noise cancelling | No | — |
| Battery & charging | ||
| Battery life | — | 35 h |
| Charging time | 5 h | 3 h |
| Connectivity | ||
| Wireless | No | Yes |
| Bluetooth version | — | 5.2 |
| Bluetooth codecs | — | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | No |
| LDAC | — | No |
| Multipoint (two devices) | — | Yes |
| 3.5 mm jack / AUX | Yes | — |
| Design & build | ||
| Weight | — | 157 g |
| Foldable | Yes | Yes |
| Features | ||
| Hands-free calls | — | Yes |
