Why is HDP DJ45 better than BTH12?
- Driver size50 mm vs 40 mm+25%
Why is BTH12 better than HDP DJ45?
BTH12 has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | — |
| Driver size | 50 mm | 40 mm |
| Number of drivers | 2 | — |
| Lowest frequency | 20 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Impedance | 60 Ω | — |
| Sensitivity | 95 dB | — |
| Noise control | ||
| Active noise cancelling | No | No |
| Battery & charging | ||
| Battery life | — | 40 h |
| Battery capacity | — | 800 mAh |
| Charging time | 5 h | — |
| Quick charge (claimed) | — | 10 min → 4 h |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | No | Yes |
| Bluetooth version | — | 5 |
| USB-C | — | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Design & build | ||
| Foldable | Yes | — |
| Features | ||
| Hands-free calls | — | Yes |







