vs
7.2Noise control & calls6.0
9.1Battery9.2
7.5Build & features2.1
Why is ATH-CKS50TW2 better than CX Plus?
- Battery life25 h vs 24 h+4%
- Water resistance (IPx)IPx5 vs IPx4+25%
- Earbud weight (each)7.2 g vs 12 g+67%
- Driver size9 mm vs 7 mm+29%
Why is CX Plus better than ATH-CKS50TW2?
- Hi-res codec (LDAC / aptX HD / LHDC)No · ATH-CKS50TW2: Yes
- aptXNo · ATH-CKS50TW2: Yes
- Charging time2.5 h vs 1.5 h+67%
- Highest frequency20,000 Hz vs 21,000 Hz+5%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | — | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 9 mm | 7 mm |
| Lowest frequency | 5 Hz | 5 Hz |
| Highest frequency | 20,000 Hz | 21,000 Hz |
| Impedance | 20 Ω | — |
| Sensitivity | 110 dB | — |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Adaptive ANC | — | Yes |
| Transparency / ambient mode | Yes | — |
| Microphones | — | 4 |
| Battery & charging | ||
| Battery life | 25 h | 24 h |
| Battery life with ANC | 15 h | — |
| Battery capacity | — | 55 mAh |
| Charging time | 2.5 h | 1.5 h |
| Quick charge (claimed) | — | 10 min → 1 h |
| Fast charging support | — | Yes |
| Wireless charging (case) | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.2 |
| Bluetooth codecs | LC3, AAC, SBC | aptX Adaptive, aptX, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | Yes |
| aptX | No | Yes |
| LDAC | No | No |
| Multipoint (two devices) | Yes | — |
| LE Audio | Yes | — |
| USB-C | Yes | — |
| Smart & streaming | ||
| Voice assistant | — | Google Assistant, Siri |
| Companion app | — | Yes |
| Design & build | ||
| Earbud weight (each) | 7.2 g | 12 g |
| Protection rating | IP55 | IPX4 |
| Water resistance (IPx) | IPx5 | IPx4 |
| Dust protection (IP) | 5 | — |
| Features | ||
| Hands-free calls | Yes | — |
