Why is Gemini II better than EAH-AZ100?
- Lowest frequency5 Hz vs 20 Hz4×
- aptXYes · EAH-AZ100: No
- Charging time1.5 h vs 2 h+33%
Why is EAH-AZ100 better than Gemini II?
- Battery life5 h vs 8 h+60%
- Hi-res codec (LDAC / aptX HD / LHDC)No · Gemini II: Yes
- Total with charging case22 h vs 29 h+32%
- Highest frequency20,000 Hz vs 40,000 Hz2×
- LDACNo · Gemini II: Yes
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 10 mm | 10 mm |
| Lowest frequency | 5 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 40,000 Hz |
| Sensitivity | 120 dB | — |
| Dolby Atmos | — | Yes |
| Hi-Res Audio | Yes | Yes |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | Yes | Yes |
| Noise reduction for calls | Yes | Yes |
| Battery & charging | ||
| Battery life | 5 h | 8 h |
| Battery life with ANC | — | 7 h |
| Total with charging case | 22 h | 29 h |
| Charging time | 1.5 h | 2 h |
| Fast charging support | — | Yes |
| Wireless charging (case) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5.3 |
| Bluetooth codecs | aptX, AAC, SBC | LDAC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | Yes |
| aptX | Yes | No |
| LDAC | No | Yes |
| Multipoint (two devices) | Yes | Yes |
| LE Audio | — | Yes |
| USB-C | Yes | Yes |
| Design & build | ||
| Earbud weight (each) | 6 g | 5.9 g |
| Protection rating | IPX4 | IPX4 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |









