vs
9.3Noise control & calls4.2
3.6Battery8.2
Why is ATH-CKS30TW Plus better than AeroFit 2?
- Active noise cancellingYes · AeroFit 2: No
- Lowest frequency5 Hz vs 20 Hz4×
Why is AeroFit 2 better than ATH-CKS30TW Plus?
- Battery life7 h vs 10 h+43%
- Total with charging case20 h vs 42 h2.1×
- Hi-res codec (LDAC / aptX HD / LHDC)No · ATH-CKS30TW Plus: Yes
- LDACNo · ATH-CKS30TW Plus: Yes
- Driver size9 mm vs 16.2 mm+80%
- Bluetooth version5.1 vs 5.4+6%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | Open-ear |
| Ear cup design | Closed-back | Open-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 9 mm | 16.2 mm |
| Number of drivers | — | 1 |
| Lowest frequency | 5 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | 20 Ω | 16 Ω |
| Sensitivity | 110 dB | — |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Microphones | — | 4 |
| Battery & charging | ||
| Battery life | 7 h | 10 h |
| Battery life with ANC | 6 h | — |
| Total with charging case | 20 h | 42 h |
| Charging time | — | 1 h |
| Quick charge (claimed) | — | 10 min → 4 h |
| Fast charging support | — | Yes |
| Wireless charging (case) | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.1 | 5.4 |
| Bluetooth codecs | AAC, SBC | LDAC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | Yes |
| aptX | No | No |
| LDAC | No | Yes |
| Multipoint (two devices) | Yes | Yes |
| USB-C | — | Yes |
| Smart & streaming | ||
| Voice assistant | Google Assistant, Siri | — |
| Companion app | — | Yes |
| Design & build | ||
| Earbud weight (each) | — | 10 g |
| Protection rating | IP55 | IP55 |
| Water resistance (IPx) | IPx5 | IPx5 |
| Dust protection (IP) | 5 | 5 |
| Colours | — | Midnight Black, Pearl White, Minty Green, Midnight Blue, Brown |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | — | Yes |








