vs
9.0Battery9.7
Why is Tune Beam 2 Ghost Edition better than Sleep A20?
Tune Beam 2 Ghost Edition has no measurable advantages in this pair.
Why is Sleep A20 better than Tune Beam 2 Ghost Edition?
- Battery life12 h vs 14 h+17%
- Total with charging case48 h vs 80 h+67%
- Charging time2 h vs 1.5 h+33%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | — |
| Driver size | 10 mm | — |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | 16 Ω | 16 Ω |
| Sensitivity | 100 dB | — |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | — |
| Microphones | 6 | — |
| Battery & charging | ||
| Battery life | 12 h | 14 h |
| Battery life with ANC | 10 h | — |
| Total with charging case | 48 h | 80 h |
| Battery capacity | 65 mAh | — |
| Charging time | 2 h | 1.5 h |
| Quick charge (claimed) | 5 min → 1 h | — |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.3 |
| Bluetooth codecs | — | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | No |
| LDAC | — | No |
| USB-C | Yes | Yes |
| Design & build | ||
| Earbud weight (each) | — | 3 g |
| Protection rating | IP54 | IPX4 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Dust protection (IP) | 5 | — |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | — |
