vs
2.1Noise control & calls3.0
6.0Battery7.0
Why is SoundForm Bolt True Wireless Earphones better than A1?
SoundForm Bolt True Wireless Earphones has no measurable advantages in this pair.
Why is A1 better than SoundForm Bolt True Wireless Earphones?
- Water resistance (IPx)IPx4 vs IPx82×
- Total with charging case28 h vs 40 h+43%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 6 mm | 6 mm |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 20,000 Hz |
| Noise control | ||
| Active noise cancelling | No | No |
| Microphones | 2 | — |
| Battery & charging | ||
| Battery life | 9 h | 9 h |
| Total with charging case | 28 h | 40 h |
| Battery capacity | — | 50 mAh |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5.3 |
| Bluetooth codecs | — | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | No |
| LDAC | — | No |
| Design & build | ||
| Protection rating | IPX4 | IPX8 |
| Water resistance (IPx) | IPx4 | IPx8 |
| Features | ||
| Touch controls | Yes | — |
| Hands-free calls | Yes | — |
