vs
5.4Noise control & calls3.0
7.5Battery6.8
5.8Build & features8.1
Why is FreeBuds SE 4 ANC better than A25i?
- Active noise cancellingYes · A25i: No
- Battery life10 h vs 9 h+11%
- Driver size10 mm vs 6 mm+67%
- Earbud weight (each)4.3 g vs 5 g+16%
- Battery capacity41 mAh vs 37 mAh+11%
Why is A25i better than FreeBuds SE 4 ANC?
- Water resistance (IPx)IPx4 vs IPx5+25%
- Charging time2 h vs 1 h2×
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 10 mm | 6 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | — | 16 Ω |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Transparency / ambient mode | Yes | — |
| Microphones | 3 | — |
| Battery & charging | ||
| Battery life | 10 h | 9 h |
| Battery life with ANC | 7 h | — |
| Total with charging case | 50 h | — |
| Battery capacity | 41 mAh | 37 mAh |
| Charging time | 2 h | 1 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.3 |
| Bluetooth codecs | AAC, SBC | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| USB-C | Yes | Yes |
| Low-latency game mode | Yes | — |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Earbud weight (each) | 4.3 g | 5 g |
| Protection rating | IP54 | IPX5 |
| Water resistance (IPx) | IPx4 | IPx5 |
| Dust protection (IP) | 5 | — |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
