vs
5.8Noise control & calls3.1
8.6Battery4.5
8.5Build & features7.2
Why is Liberty Buds 2 better than Spark?
- Active noise cancellingYes · Spark: No
- Battery life12 h vs 7 h+71%
- Total with charging case46 h vs 30 h+53%
- Earbud weight (each)4.7 g vs 9.7 g2.1×
- LDACYes · Spark: No
- Bluetooth version6.1 vs 5.4+13%
Why is Spark better than Liberty Buds 2?
Spark has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Open-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 9.2 mm | — |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 20,000 Hz |
| Impedance | — | 32 Ω |
| Sensitivity | — | 138 dB |
| Spatial / 3D audio | Yes | — |
| Hi-Res Audio | Yes | Yes |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Adaptive ANC | Yes | — |
| Transparency / ambient mode | Yes | — |
| Microphones | 6 | — |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 12 h | 7 h |
| Battery life with ANC | 7 h | — |
| Total with charging case | 46 h | 30 h |
| Quick charge (claimed) | 10 min → 4 h | — |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 6.1 | 5.4 |
| Bluetooth codecs | LDAC | LHDC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | Yes |
| aptX | No | No |
| LDAC | Yes | No |
| Multipoint (two devices) | Yes | Yes |
| USB-C | — | Yes |
| Design & build | ||
| Earbud weight (each) | 4.7 g | 9.7 g |
| Protection rating | IP55 | IP55 |
| Water resistance (IPx) | IPx5 | IPx5 |
| Dust protection (IP) | 5 | 5 |
| Colours | Silver White, Glossy Black | — |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | Yes | Yes |
