vs
7.2Noise control & calls6.1
8.9Battery6.6
3.9Build & features6.9
Why is GLASS Core KH-CRZ90T better than AeroFit 2 Pro?
- Battery life17 h vs 7 h2.4×
- Earbud weight (each)5.8 g vs 10.5 g+79%
Why is AeroFit 2 Pro better than GLASS Core KH-CRZ90T?
- Water resistance (IPx)IPx4 vs IPx5+25%
- Charging time2 h vs 1 h2×
- Driver size10 mm vs 11.8 mm+18%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | Open-ear |
| Ear cup design | Closed-back | Open-back |
| Driver type | — | Dynamic |
| Driver size | 10 mm | 11.8 mm |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 20,000 Hz |
| Impedance | — | 16 Ω |
| Sensitivity | — | 92 dB |
| Spatial / 3D audio | — | Yes |
| Head tracking | — | Yes |
| Hi-Res Audio | Yes | Yes |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | Yes | — |
| Microphones | — | 4 |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 17 h | 7 h |
| Battery life with ANC | — | 24 h |
| Total with charging case | — | 34 h |
| Battery capacity | — | 60 mAh |
| Charging time | 2 h | 1 h |
| Quick charge (claimed) | — | 10 min → 3,5 h |
| Fast charging support | — | Yes |
| Wireless charging (case) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 6 | 6.1 |
| Bluetooth codecs | LDAC, AAC, SBC | LDAC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | Yes |
| aptX | No | No |
| LDAC | Yes | Yes |
| Multipoint (two devices) | Yes | Yes |
| USB-C | — | Yes |
| Smart & streaming | ||
| Companion app | — | Yes |
| Design & build | ||
| Earbud weight (each) | 5.8 g | 10.5 g |
| Protection rating | IPX4 | IP55 |
| Water resistance (IPx) | IPx4 | IPx5 |
| Dust protection (IP) | — | 5 |
| Colours | — | Matte Black, Gloss White, Matte Purple, Gloss Blue |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
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