Why is HA-FX150T better than HA-FX550T?
- Battery life9 h vs 6 h+50%
- Battery life with ANC7.5 h vs 4 h+88%
- Earbud weight (each)4.4 g vs 5.4 g+23%
Why is HA-FX550T better than HA-FX150T?
- Hi-res codec (LDAC / aptX HD / LHDC)No · HA-FX150T: Yes
- LDACNo · HA-FX150T: Yes
- Driver size6 mm vs 11 mm+83%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver size | 6 mm | 11 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | Yes | Yes |
| Battery & charging | ||
| Battery life | 9 h | 6 h |
| Battery life with ANC | 7.5 h | 4 h |
| Charging time | 2 h | 2 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5.3 |
| Bluetooth codecs | AAC, SBC | LDAC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | Yes |
| aptX | No | No |
| LDAC | No | Yes |
| Multipoint (two devices) | — | Yes |
| Design & build | ||
| Earbud weight (each) | 4.4 g | 5.4 g |
| Protection rating | IPX4 | IPX4 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
