vs
6.0Noise control & calls4.0
Why is STAX Spirit S5 better than RS2X?
- Driver size89 mm vs 44 mm2×
- Highest frequency40,000 Hz vs 28,000 Hz+43%
- Lowest frequency10 Hz vs 14 Hz+40%
Why is RS2X better than STAX Spirit S5?
- Weight347 g vs 240 g+45%
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | Over-ear |
| Ear cup design | — | Open-back |
| Driver type | Planar magnetic | Dynamic |
| Driver size | 89 mm | 44 mm |
| Lowest frequency | 10 Hz | 14 Hz |
| Highest frequency | 40,000 Hz | 28,000 Hz |
| Impedance | 24 Ω | 38 Ω |
| Sensitivity | 94 dB | 99 dB |
| Hi-Res Audio | Yes | — |
| Noise control | ||
| Active noise cancelling | No | No |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 80 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 | No |
| Bluetooth version | 5.4 | — |
| Bluetooth codecs | LDAC, aptX Adaptive, aptX HD, aptX, LHDC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | — |
| aptX | Yes | — |
| LDAC | Yes | — |
| Multipoint (two devices) | Yes | — |
| USB-C | Yes | — |
| 3.5 mm jack / AUX | Yes | — |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Weight | 347 g | 240 g |
| Colours | Black | Black, Brown |
| Features | ||
| Hands-free calls | Yes | — |
