vs
6.2Sound9.6
4.8Noise control & calls7.2
8.9Battery4.6
Why is ATH-CKS50TW better than FreeBuds Pro 2?
- Battery life20 h vs 7 h2.9×
- Total with charging case50 h vs 30 h+67%
- Lowest frequency5 Hz vs 14 Hz2.8×
- aptXYes · FreeBuds Pro 2: No
Why is FreeBuds Pro 2 better than ATH-CKS50TW?
- Active noise cancellingNo · ATH-CKS50TW: Yes
- Highest frequency20,000 Hz vs 48,000 Hz2.4×
- Charging time3 h vs 1.5 h2×
- LDACNo · ATH-CKS50TW: Yes
- Driver size9 mm vs 11 mm+22%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 9 mm | 11 mm |
| Number of drivers | — | 2 |
| Lowest frequency | 5 Hz | 14 Hz |
| Highest frequency | 20,000 Hz | 48,000 Hz |
| Impedance | 20 Ω | — |
| Sensitivity | 110 dB | — |
| Hi-Res Audio | Yes | Yes |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | No | Yes |
| Transparency / ambient mode | Yes | Yes |
| Battery & charging | ||
| Battery life | 20 h | 7 h |
| Battery life with ANC | — | 4 h |
| Total with charging case | 50 h | 30 h |
| Battery capacity | — | 55 mAh |
| Charging time | 3 h | 1.5 h |
| Fast charging support | Yes | — |
| Wireless charging (case) | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5.2 |
| Bluetooth codecs | aptX Adaptive, aptX, AAC, SBC | LDAC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | Yes |
| aptX | Yes | No |
| LDAC | No | Yes |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | Yes |
| Design & build | ||
| Earbud weight (each) | 8 g | — |
| Protection rating | IPX4 | IP54 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Dust protection (IP) | — | 5 |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | Yes | Yes |








