Why is TE-ZX1 better than Gemini II?
- Battery life8 h vs 5 h+60%
- Hi-res codec (LDAC / aptX HD / LHDC)Yes · Gemini II: No
- LDACYes · Gemini II: No
Why is Gemini II better than TE-ZX1?
- aptXNo · TE-ZX1: Yes
- Total with charging case20 h vs 22 h+10%
- Earbud weight (each)7.1 g vs 6 g+18%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | — | Closed-back |
| Driver type | Planar magnetic | Dynamic |
| Driver size | 10 mm | 10 mm |
| Lowest frequency | — | 5 Hz |
| Highest frequency | — | 20,000 Hz |
| Sensitivity | — | 120 dB |
| 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 |
| Battery & charging | ||
| Battery life | 8 h | 5 h |
| Total with charging case | 20 h | 22 h |
| Charging time | 1.5 h | 1.5 h |
| Wireless charging (case) | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.2 |
| Bluetooth codecs | LDAC, AAC, SBC | aptX, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | No |
| aptX | No | Yes |
| LDAC | Yes | No |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | Yes |
| Design & build | ||
| Earbud weight (each) | 7.1 g | 6 g |
| Protection rating | IPX4 | IPX4 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
