vs
4.6Noise control & calls3.1
2.6Battery2.3
4.8Build & features6.2
Why is Crossky C30 T33 better than A3?
- Charging time2 h vs 3 h+50%
- Battery capacity32 mAh vs 25 mAh+28%
Why is A3 better than Crossky C30 T33?
- Driver size10.8 mm vs 12 mm+11%
Specifications
Side by side
| Sound | ||
| Fit | Open-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 10.8 mm | 12 mm |
| Number of drivers | 2 | — |
| Impedance | — | 32 Ω |
| Sensitivity | — | 105 dB |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | No | No |
| Microphones | 4 | — |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 5 h | 5 h |
| Total with charging case | 25 h | 25 h |
| Battery capacity | 32 mAh | 25 mAh |
| Charging time | 2 h | 3 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.4 |
| Bluetooth codecs | SBC | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| Multipoint (two devices) | Yes | Yes |
| USB-C | — | Yes |
| Low-latency game mode | Yes | — |
| Smart & streaming | ||
| Voice assistant | Google Assistant, Siri | — |
| Companion app | Yes | — |
| Design & build | ||
| Weight | — | 34 g |
| Earbud weight (each) | 5 g | — |
| Protection rating | IPX4 | IPX4 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |




