vs
5.2Battery4.7
7.1Build & features6.2
Why is Go Air Sport better than KH-CRZ20T?
- Battery life8 h vs 7.5 h+7%
- Water resistance (IPx)IPx5 vs IPx4+25%
Why is KH-CRZ20T better than Go Air Sport?
- Driver size6 mm vs 11 mm+83%
- Earbud weight (each)6.2 g vs 4.1 g+51%
- Charging time2.2 h vs 2 h+10%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | Semi-in-ear (open) |
| Ear cup design | — | Open-back |
| Driver type | Dynamic | — |
| Driver size | 6 mm | 11 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | 16 Ω | — |
| Sensitivity | 103 dB | — |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | No | — |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 8 h | 7.5 h |
| Total with charging case | 32 h | — |
| Battery capacity | 43 mAh | — |
| Charging time | 2.2 h | 2 h |
| Quick charge (claimed) | 10 min → 1 h | — |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.1 | 5.1 |
| Bluetooth codecs | SBC | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Weight | 58 g | — |
| Earbud weight (each) | 6.2 g | 4.1 g |
| Protection rating | IP55 | IPX4 |
| Water resistance (IPx) | IPx5 | IPx4 |
| Dust protection (IP) | 5 | — |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
