Why is Free 2S better than Space A40?
- Water resistance (IPx)IPx7 vs IPx4+75%
- Charging time1.5 h vs 2 h+33%
Why is Space A40 better than Free 2S?
- Battery life7 h vs 10 h+43%
- Hi-res codec (LDAC / aptX HD / LHDC)No · Free 2S: Yes
- Total with charging case30 h vs 50 h+67%
- LDACNo · Free 2S: Yes
- Microphones4 vs 6+50%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | — | Closed-back |
| Driver type | — | Dynamic |
| Driver size | — | 10 mm |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 40,000 Hz |
| Impedance | — | 16 Ω |
| Sensitivity | — | 104 dB |
| Spatial / 3D audio | Yes | — |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | — | No |
| Transparency / ambient mode | — | Yes |
| Microphones | 4 | 6 |
| Noise reduction for calls | Yes | Yes |
| Battery & charging | ||
| Battery life | 7 h | 10 h |
| Total with charging case | 30 h | 50 h |
| Battery capacity | 40 mAh | — |
| Charging time | 1.5 h | 2 h |
| Quick charge (claimed) | — | 10 min → 4 h |
| Fast charging support | — | Yes |
| Wireless charging (case) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5.2 |
| Bluetooth codecs | SBC | LDAC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | Yes |
| aptX | No | No |
| LDAC | No | Yes |
| Multipoint (two devices) | — | Yes |
| USB-C | Yes | Yes |
| Latency | 60 ms | — |
| Low-latency game mode | Yes | — |
| Smart & streaming | ||
| Voice assistant | — | Siri |
| Design & build | ||
| Earbud weight (each) | — | 4.9 g |
| Protection rating | IPX7 | IPX4 |
| Water resistance (IPx) | IPx7 | IPx4 |
| Colours | — | Navy Blue, Black, White, Fresh Green, Purple |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | — | Yes |
