vs
3.0Noise control & calls7.2
2.1Build & features3.1
Why is Pixel Buds A-Series better than RZ-S50W?
- Driver size12 mm vs 8 mm+50%
Why is RZ-S50W better than Pixel Buds A-Series?
- Active noise cancellingNo · Pixel Buds A-Series: Yes
- Battery life5 h vs 7.5 h+50%
- Earbud weight (each)14 g vs 7 g2×
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 12 mm | 8 mm |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 20,000 Hz |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | No | Yes |
| Transparency / ambient mode | — | Yes |
| Battery & charging | ||
| Battery life | 5 h | 7.5 h |
| Battery life with ANC | — | 6.5 h |
| Charging time | — | 2 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5 | 5 |
| Bluetooth codecs | — | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | No |
| LDAC | — | No |
| USB-C | Yes | Yes |
| Smart & streaming | ||
| Voice assistant | Google Assistant | — |
| Design & build | ||
| Earbud weight (each) | 14 g | 7 g |
| Protection rating | IPX4 | IPX4 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |








