vs
5.3Noise control & calls4.9
5.3Battery7.9
8.3Build & features4.2
Why is Free Pro 3 better than Rail ANC?
- Active noise cancellingYes · Rail ANC: No
- Water resistance (IPx)IPx5 vs IPx4+25%
- Weight42 g vs 50 g+20%
- Driver size7 mm vs 6 mm+17%
Why is Rail ANC better than Free Pro 3?
- Battery life7.5 h vs 10 h+33%
- Battery life with ANC6 h vs 7 h+17%
- Total with charging case33 h vs 38 h+15%
- Charging time1.5 h vs 1 h+50%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 7 mm | 6 mm |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 20,000 Hz |
| Impedance | — | 32 Ω |
| Sensitivity | — | 100 dB |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Adaptive ANC | Yes | — |
| Transparency / ambient mode | Yes | Yes |
| Microphones | 3 | — |
| Noise reduction for calls | Yes | Yes |
| Battery & charging | ||
| Battery life | 7.5 h | 10 h |
| Battery life with ANC | 6 h | 7 h |
| Total with charging case | 33 h | 38 h |
| Battery capacity | 40 mAh | — |
| Charging time | 1.5 h | 1 h |
| Wireless charging (case) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.2 |
| Bluetooth codecs | aptX Adaptive, AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | — |
| aptX | Yes | — |
| LDAC | No | — |
| Multipoint (two devices) | Yes | Yes |
| LE Audio | Yes | — |
| USB-C | Yes | Yes |
| Low-latency game mode | Yes | — |
| Design & build | ||
| Weight | 42 g | 50 g |
| Earbud weight (each) | 5 g | — |
| Protection rating | IPX5 | IPX4 |
| Water resistance (IPx) | IPx5 | IPx4 |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
