vs
4.0Noise control & calls4.0
6.3Battery5.0
Why is Junior 320BT better than Grom Wireless?
- Battery life50 h vs 45 h+11%
- Charging time2 h vs 4 h2×
Why is Grom Wireless better than Junior 320BT?
Grom Wireless has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | On-ear | On-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 30 mm | 30 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | 32 Ω | 32 Ω |
| Sensitivity | 80 dB | 113 dB |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | No | No |
| Battery & charging | ||
| Battery life | 50 h | 45 h |
| Battery capacity | 500 mAh | — |
| Charging time | 2 h | 4 h |
| Quick charge (claimed) | — | 10 min → 4 h |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.2 |
| Bluetooth codecs | AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| Multipoint (two devices) | Yes | — |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | — | Yes |
| Smart & streaming | ||
| Voice assistant | — | Google Assistant, Siri |
| Design & build | ||
| Weight | 122 g | — |
| Foldable | Yes | — |
| Colours | — | Black |
| Features | ||
| Hands-free calls | Yes | Yes |
