vs
8.8Noise control & calls9.3
4.2Battery3.9
Why is QuietComfort Earbuds II better than RZ-S500W?
- Charging time1 h vs 2 h2×
- Bluetooth version5.3 vs 5+6%
Why is RZ-S500W better than QuietComfort Earbuds II?
RZ-S500W has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | Semi-in-ear (open) | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | — | 8 mm |
| Number of drivers | — | 1 |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 20,000 Hz |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | Yes | — |
| Microphones | 8 | — |
| Battery & charging | ||
| Battery life | 6 h | 6 h |
| Battery life with ANC | — | 6 h |
| Total with charging case | 24 h | — |
| Charging time | 1 h | 2 h |
| Quick charge (claimed) | 20 min → 2 h | — |
| Fast charging support | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5 |
| Bluetooth codecs | AAC, SBC | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| USB-C | Yes | — |
| Smart & streaming | ||
| Voice assistant | — | Alexa, Google Assistant |
| Companion app | — | Yes |
| Design & build | ||
| Earbud weight (each) | 6 g | — |
| Protection rating | IPX4 | IPX4 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | — |
