Why is HA-A30T3 better than HP-C28BTF?
- Battery life9 h vs 3.5 h2.6×
- Bluetooth version6 vs 5.3+13%
- Driver size10 mm vs 6.1 mm+64%
Why is HP-C28BTF better than HA-A30T3?
- Charging time2 h vs 1.5 h+33%
- Earbud weight (each)3.9 g vs 3 g+30%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | — |
| Driver type | — | Dynamic |
| Driver size | 10 mm | 6.1 mm |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 20,000 Hz |
| Impedance | — | 16 Ω |
| Sensitivity | — | 90 dB |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | — |
| Transparency / ambient mode | Yes | — |
| Battery & charging | ||
| Battery life | 9 h | 3.5 h |
| Charging time | 2 h | 1.5 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 6 | 5.3 |
| Bluetooth codecs | AAC, SBC | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| Multipoint (two devices) | Yes | — |
| USB-C | Yes | Yes |
| Design & build | ||
| Earbud weight (each) | 3.9 g | 3 g |
| Protection rating | IPX4 | IPX4 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
