Why is BTH12 better than TAH4209?
- Battery capacity800 mAh vs 600 mAh+33%
Why is TAH4209 better than BTH12?
- Battery life40 h vs 55 h+38%
- Bluetooth version5 vs 5.3+6%
Specifications
Side by side
| Sound | ||
| Fit | — | On-ear |
| Ear cup design | — | Closed-back |
| Driver type | — | Dynamic |
| Driver size | 40 mm | — |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 20,000 Hz |
| Impedance | — | 32 Ω |
| Sensitivity | — | 112 dB |
| Noise control | ||
| Active noise cancelling | No | No |
| Battery & charging | ||
| Battery life | 40 h | 55 h |
| Battery capacity | 800 mAh | 600 mAh |
| Charging time | — | 2 h |
| Quick charge (claimed) | 10 min → 4 h | — |
| Fast charging support | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5 | 5.3 |
| Multipoint (two devices) | — | Yes |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | Yes | — |
| Smart & streaming | ||
| Voice assistant | — | Google Assistant, Siri |
| Design & build | ||
| Weight | — | 160 g |
| Features | ||
| Hands-free calls | Yes | Yes |









