vs
3.0Noise control & calls8.9
9.6Battery7.3
Why is STAX Spirit S3 better than Evolve2 Buds?
- Battery life80 h vs 10 h8×
- Hi-res codec (LDAC / aptX HD / LHDC)Yes · Evolve2 Buds: No
- Driver size89 mm vs 6 mm14.8×
- Highest frequency40,000 Hz vs 20,000 Hz2×
- aptXYes · Evolve2 Buds: No
- Charging time1.5 h vs 2 h+33%
Why is Evolve2 Buds better than STAX Spirit S3?
- Active noise cancellingNo · STAX Spirit S3: Yes
Specifications
Side by side
| Sound | ||
| Fit | — | In-ear |
| Driver size | 89 mm | 6 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 40,000 Hz | 20,000 Hz |
| Impedance | 24 Ω | — |
| Sensitivity | 94 dB | — |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | No | Yes |
| Microphones | — | 6 |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 80 h | 10 h |
| Battery life with ANC | — | 8 h |
| Total with charging case | — | 33 h |
| Battery capacity | 1,500 mAh | — |
| Charging time | 1.5 h | 2 h |
| Quick charge (claimed) | 10 min → 11 h | 5 min → 1 h |
| Fast charging support | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5.2 |
| Bluetooth codecs | aptX Adaptive, aptX, SBC | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | No |
| aptX | Yes | No |
| LDAC | No | No |
| Multipoint (two devices) | Yes | Yes |
| 3.5 mm jack / AUX | Yes | — |
| Design & build | ||
| Colours | Black | — |
| Features | ||
| Hands-free calls | Yes | — |
