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9.3Noise control & calls4.9
Why is Galaxy Buds FE SM-R400 better than Space A40?
- Active noise cancellingYes · Space A40: No
Why is Space A40 better than Galaxy Buds FE SM-R400?
Space A40 has no measurable advantages in this pair.
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 |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 40,000 Hz |
| Impedance | — | 16 Ω |
| Sensitivity | — | 104 dB |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Transparency / ambient mode | — | Yes |
| Microphones | — | 6 |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | — | 10 h |
| Total with charging case | — | 50 h |
| Battery capacity | 60 mAh | — |
| Charging time | — | 2 h |
| Quick charge (claimed) | — | 10 min → 4 h |
| Fast charging support | — | Yes |
| Wireless charging (case) | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5.2 |
| Bluetooth codecs | — | LDAC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | Yes |
| aptX | — | No |
| LDAC | — | Yes |
| Multipoint (two devices) | — | Yes |
| USB-C | — | Yes |
| Smart & streaming | ||
| Voice assistant | Bixby | Siri |
| Design & build | ||
| Earbud weight (each) | — | 4.9 g |
| Protection rating | — | IPX4 |
| Water resistance (IPx) | — | IPx4 |
| Colours | — | Navy Blue, Black, White, Fresh Green, Purple |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | — | Yes |
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