vs
8.3Build & features8.2
Why is JBUDS ANC 3 better than Rail?
- Driver size10 mm vs 6 mm+67%
Why is Rail better than JBUDS ANC 3?
Rail has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Driver type | Dynamic | — |
| Driver size | 10 mm | 6 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | 32 Ω | 16 Ω |
| Sensitivity | 105 dB | 100 dB |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | — |
| Noise reduction (claimed) | 42 dB | — |
| Transparency / ambient mode | Yes | Yes |
| Microphones | 6 | — |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 9 h | 9 h |
| Battery life with ANC | 7.5 h | — |
| Total with charging case | 42 h | — |
| Charging time | 1.5 h | — |
| Quick charge (claimed) | 10 min → 1 h | — |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5.2 |
| Bluetooth codecs | SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | Yes |
| Latency | 200 ms | — |
| Low-latency game mode | Yes | — |
| Smart & streaming | ||
| Voice assistant | Google Assistant, Siri | — |
| Companion app | Yes | — |
| Design & build | ||
| Weight | — | 49 g |
| Earbud weight (each) | 4.8 g | — |
| Protection rating | IP55 | IP55 |
| Water resistance (IPx) | IPx5 | IPx5 |
| Dust protection (IP) | 5 | 5 |
| Features | ||
| Touch controls | Yes | — |
| Hands-free calls | Yes | Yes |



