Why is AMA92003 better than A1?
- Driver size8 mm vs 6 mm+33%
Why is A1 better than AMA92003?
- Battery life5 h vs 9 h+80%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 8 mm | 6 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Noise control | ||
| Active noise cancelling | — | No |
| Battery & charging | ||
| Battery life | 5 h | 9 h |
| Total with charging case | — | 40 h |
| Battery capacity | — | 50 mAh |
| Charging time | 1.5 h | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.3 |
| 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) | 3.6 g | — |
| Protection rating | — | IPX8 |
| Water resistance (IPx) | — | IPx8 |
| Features | ||
| Touch controls | Yes | — |
| Hands-free calls | Yes | — |
