vs
9.3Noise control & calls9.3
7.4Battery9.1
Why is Solo Buds better than Endurance Race 2?
- Battery life18 h vs 12 h+50%
- Earbud weight (each)5.7 g vs 12.8 g2.2×
Why is Endurance Race 2 better than Solo Buds?
Endurance Race 2 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 |
| Driver size | — | 6.8 mm |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 20,000 Hz |
| Impedance | — | 16 Ω |
| Sensitivity | — | 104 dB |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Battery & charging | ||
| Battery life | 18 h | 12 h |
| Battery life with ANC | — | 10 h |
| Total with charging case | 18 h | — |
| Battery capacity | — | 70 mAh |
| Charging time | — | 2 h |
| Quick charge (claimed) | 5 min → 1 h | — |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.3 |
| USB-C | Yes | — |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Earbud weight (each) | 5.7 g | 12.8 g |
| Protection rating | — | IP68 |
| Water resistance (IPx) | — | IPx8 |
| Dust protection (IP) | — | 6 |
| Features | ||
| Hands-free calls | Yes | — |
