Why is FD11 better than HA-NP40T?
FD11 has no measurable advantages in this pair.
Why is HA-NP40T better than FD11?
HA-NP40T has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | In-ear | Bone conduction |
| Ear cup design | Closed-back | Open-back |
| Driver type | Dynamic | Dynamic |
| Driver size | — | 16 mm |
| Number of drivers | — | 1 |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | 24 Ω | — |
| Sensitivity | 111 dB | — |
| Hi-Res Audio | Yes | — |
| Battery & charging | ||
| Battery life | — | 7 h |
| Charging time | — | 2 h |
| Connectivity | ||
| Wireless | No | Yes |
| Bluetooth version | — | 5.4 |
| Bluetooth codecs | — | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | No |
| LDAC | — | No |
| 3.5 mm jack / AUX | Yes | — |
| Design & build | ||
| Weight | 3 g | — |
| Protection rating | — | IPX4 |
| Water resistance (IPx) | — | IPx4 |
| Colours | Silver | — |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | — | Yes |








