vs
9.3Noise control & calls8.9
4.3Battery8.1
Why is FreeBuds Pro 4 better than xboom Buds?
- Hi-res codec (LDAC / aptX HD / LHDC)Yes · xboom Buds: No
- LDACYes · xboom Buds: No
- Total with charging case33 h vs 30 h+10%
- Driver size11 mm vs 10 mm+10%
Why is xboom Buds better than FreeBuds Pro 4?
- Battery life with ANC5 h vs 24 h4.8×
- Battery life7 h vs 10 h+43%
- Charging time2.5 h vs 1 h2.5×
- Bluetooth version5.2 vs 5.4+4%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | — |
| Driver type | Planar magnetic | — |
| Driver size | 11 mm | 10 mm |
| Number of drivers | 2 | — |
| Lowest frequency | 14 Hz | — |
| Highest frequency | 48,000 Hz | — |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Microphones | — | 6 |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 7 h | 10 h |
| Battery life with ANC | 5 h | 24 h |
| Total with charging case | 33 h | 30 h |
| Battery capacity | 55 mAh | — |
| Charging time | 2.5 h | 1 h |
| Fast charging support | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5.4 |
| Bluetooth codecs | LDAC, AAC, SBC | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | No |
| aptX | No | No |
| LDAC | Yes | No |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | Yes |
| Smart & streaming | ||
| Voice assistant | — | Google Assistant, Siri |
| Design & build | ||
| Earbud weight (each) | — | 5.3 g |
| Protection rating | IP54 | — |
| Water resistance (IPx) | IPx4 | IPx4 |
| Dust protection (IP) | 5 | — |
| Features | ||
| Touch controls | Yes | — |








