Why is BTH12 better than A71?
BTH12 has no measurable advantages in this pair.
Why is A71 better than BTH12?
A71 has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | — | Over-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 |
| Sensitivity | — | 110 dB |
| Noise control | ||
| Active noise cancelling | No | No |
| Battery & charging | ||
| Battery life | 40 h | — |
| Battery capacity | 800 mAh | — |
| Quick charge (claimed) | 10 min → 4 h | — |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | No |
| Bluetooth version | 5 | — |
| USB-C | Yes | — |
| 3.5 mm jack / AUX | Yes | Yes |
| Features | ||
| Hands-free calls | Yes | — |
