vs
3.0Noise control & calls7.3
9.6Battery9.3
Why is STAX Spirit S3 better than FoKus Amadeus?
- Battery life80 h vs 12 h6.7×
- Driver size89 mm vs 8.3 mm10.7×
- Highest frequency40,000 Hz vs 20,000 Hz2×
Why is FoKus Amadeus better than STAX Spirit S3?
- Active noise cancellingNo · STAX Spirit S3: Yes
- LDACNo · STAX Spirit S3: Yes
- Bluetooth version5.2 vs 5.4+4%
Specifications
Side by side
| Sound | ||
| Fit | — | In-ear |
| Ear cup design | — | Closed-back |
| Driver type | — | Dynamic |
| Driver size | 89 mm | 8.3 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 40,000 Hz | 20,000 Hz |
| Impedance | 24 Ω | 37 Ω |
| Sensitivity | 94 dB | 113 dB |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | No | Yes |
| Transparency / ambient mode | — | Yes |
| Battery & charging | ||
| Battery life | 80 h | 12 h |
| Battery life with ANC | — | 8 h |
| Battery capacity | 1,500 mAh | — |
| Charging time | 1.5 h | — |
| Quick charge (claimed) | 10 min → 11 h | — |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5.4 |
| Bluetooth codecs | aptX Adaptive, aptX, SBC | LDAC, aptX Adaptive, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | Yes |
| aptX | Yes | Yes |
| LDAC | No | Yes |
| Multipoint (two devices) | Yes | Yes |
| USB-C | — | Yes |
| 3.5 mm jack / AUX | Yes | — |
| Design & build | ||
| Colours | Black | — |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | Yes | Yes |
