Why is LBT-TWS11 better than QCY-T9?
- Driver size14 mm vs 6 mm2.3×
- Earbud weight (each)3.4 g vs 4.5 g+32%
Why is QCY-T9 better than LBT-TWS11?
QCY-T9 has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | Semi-in-ear (open) | In-ear |
| Ear cup design | Semi-open | — |
| Driver type | — | Dynamic |
| Driver size | 14 mm | 6 mm |
| Lowest frequency | 20 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Adjustable equaliser | — | Yes |
| Battery & charging | ||
| Battery life | 4 h | 4 h |
| Charging time | 1.5 h | 1.5 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5 | 5 |
| Bluetooth codecs | AAC, SBC | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| USB-C | Yes | — |
| Design & build | ||
| Earbud weight (each) | 3.4 g | 4.5 g |
| Protection rating | — | IP64 |
| Water resistance (IPx) | — | IPx4 |
| Dust protection (IP) | — | 6 |
| Features | ||
| Touch controls | Yes | — |
| Hands-free calls | Yes | Yes |









