vs
7.2Noise control & calls3.1
5.1Battery6.3
Why is ATH-TWX7 better than PurFree OW01?
- Active noise cancellingYes · PurFree OW01: No
- Hi-res codec (LDAC / aptX HD / LHDC)Yes · PurFree OW01: No
- LDACYes · PurFree OW01: No
Why is PurFree OW01 better than ATH-TWX7?
- Battery life7.5 h vs 8 h+7%
- Water resistance (IPx)IPx4 vs IPx5+25%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | — |
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | — |
| Driver size | 5.8 mm | — |
| Lowest frequency | 10 Hz | — |
| Highest frequency | 40,000 Hz | — |
| Impedance | 16 Ω | — |
| Sensitivity | 100 dB | — |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Transparency / ambient mode | Yes | — |
| Battery & charging | ||
| Battery life | 7.5 h | 8 h |
| Battery life with ANC | 6.5 h | — |
| Total with charging case | 24 h | — |
| Battery capacity | — | 55 mAh |
| Charging time | 1.5 h | 1.5 h |
| Wireless charging (case) | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.1 | 5.2 |
| Bluetooth codecs | LDAC, AAC, SBC | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | No |
| aptX | No | No |
| LDAC | Yes | No |
| Multipoint (two devices) | Yes | — |
| USB-C | Yes | — |
| Design & build | ||
| Earbud weight (each) | 4.7 g | — |
| Protection rating | IPX4 | IP55 |
| Water resistance (IPx) | IPx4 | IPx5 |
| Dust protection (IP) | — | 5 |
| Colours | — | Red |
| Features | ||
| Touch controls | Yes | — |
| Hands-free calls | Yes | — |
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