Why is ZE300 better than A3 Pro?
ZE300 has no measurable advantages in this pair.
Why is A3 Pro better than ZE300?
A3 Pro has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Driver type | — | Dynamic |
| Driver size | — | 10 mm |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 20,000 Hz |
| Impedance | — | 32 Ω |
| Sensitivity | — | 107 dB |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | Yes | — |
| Battery & charging | ||
| Battery life | 5.5 h | — |
| Charging time | 1.5 h | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | — | 5.4 |
| Bluetooth codecs | AAC, SBC | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| Multipoint (two devices) | — | Yes |
| USB-C | Yes | Yes |
| Design & build | ||
| Weight | — | 38 g |
| Earbud weight (each) | 4 g | — |
| Protection rating | IPX4 | — |
| Water resistance (IPx) | IPx4 | — |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |








