vs
7.2Noise control & calls4.2
Why is Free Pro 3 better than Rail ANC?
- Active noise cancellingYes · Rail ANC: No
- Water resistance (IPx)IPx5 vs IPx4+25%
- Driver size7 mm vs 6 mm+17%
Why is Rail ANC better than Free Pro 3?
Rail ANC has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | — | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 7 mm | 6 mm |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 20,000 Hz |
| Sensitivity | — | 100 dB |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Transparency / ambient mode | Yes | — |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 7.5 h | — |
| Battery life with ANC | 6 h | — |
| Total with charging case | — | 38 h |
| Charging time | 1.5 h | — |
| Wireless charging (case) | 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 |
| USB-C | Yes | — |
| Design & build | ||
| Earbud weight (each) | 5 g | — |
| Protection rating | IPX5 | IPX4 |
| Water resistance (IPx) | IPx5 | IPx4 |
| Features | ||
| Touch controls | Yes | — |
| Hands-free calls | Yes | Yes |
