JBL Junior 320BT
The 50-hour battery life and volume-limited 85dB output make this a standout for safe, all-day listening without constant recharges. Its lightweight 122g, foldable design and soft cushions prioritize comfort and portability for small users. These headphones are best for parents seeking a durable, hearing-safe wireless option for children ages 3 and up.
form factor on-ear
driver type dynamic
driver size mm 30
impedance ohms 32
Wireless Yes
open closed back closed
bluetooth version 5.3
battery life hours 50
45 Overall Score
No current retailer price
Snapshot
Pros & Cons
Pros
- Strong comfort (96th percentile) 96th
- Strong battery (87th percentile) 87th
- Strong connectivity (76th percentile) 76th
Cons
- Below average anc (32nd percentile)
- Below average build (34th percentile)
The proof
Performance
Specifications
Full Specifications
Design
| Form Factor | on-ear |
| Open/Closed | closed |
| Foldable | Yes |
| Weight | 0.1 kg / 0.3 lbs |
Audio
| Driver Type | dynamic |
| Driver Size | 30 |
| Drivers | 1 |
| Freq Min | 20 |
| Freq Max | 20000 |
| Impedance | 32 |
| Sensitivity | 80 |
| Max SPL | 81 |
Noise Control
| ANC | No |
Connectivity
| Wireless | Yes |
| Bluetooth | 5.3 |
| Profiles | A2DP, AVRCP, HFP |
Battery
| Battery Life | 50 |
| Charge Time | 2 |
| Fast Charging | 5 Minutes for 3 Hours |
| Charging | USB-C |
| Capacity | 500 |
Microphone
| Microphone | Yes |
| Mic Count | 1 |
| NC Mic | No |
Features
| Touch Controls | No |
| App | JBL Headphones |
| Volume Limiting | Yes |
vs Competition
| Spec | JBL Junior 320BT | Sennheiser HDB 630 | Bowers & Wilkins Px8 S2 | Sony WH-1000XM WH-1000XM6 | TOZO HT3 | Beyerdynamic Aventho 1001609 |
|---|---|---|---|---|---|---|
| Form Factor | on-ear | over-ear | over-ear | over-ear | over-ear | on-ear |
| Driver Type | dynamic | dynamic | dynamic | dynamic | dynamic | dynamic |
| Driver Size (mm) | 30 | 42 | 40 | 30 | 40 | 45 |
| Impedance Ohms | 32 | 480 | - | 48 | 16 | 48 |
| Wireless | true | true | true | true | true | true |
| Active Noise Cancellation | false | true | true | true | true | true |
| Open Closed Back | closed | closed | closed | closed | closed | closed |
| Bluetooth Version | 5.3 | 5.2 | 5.3 | 5.3 | 6.0 | 5.4 |
| Battery Life Hours | 50 | 60 | 30 | 30 | 90 | 60 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|
| JBL Junior 320BT | 32 | 42.9 | 33.9 | 54.3 | 86.5 | 95.6 | 75.9 | 56 |
| Sennheiser HDB 630 Compare | 98.2 | 82.7 | 75.9 | 98.1 | 91.3 | 44.5 | 98.4 | 95.1 |
| Bowers & Wilkins Px8 S2 Compare | 98.2 | 99.3 | 94.3 | 99 | 76.5 | 52 | 97.7 | 95.1 |
| Sony WH-1000XM WH-1000XM6 Compare | 98.2 | 98.4 | 75.9 | 86.6 | 76.5 | 80 | 89.4 | 98.7 |
| TOZO HT3 Compare | 89.9 | 82.7 | 94.3 | 98.6 | 97.7 | 52 | 96.8 | 95.1 |
| Beyerdynamic Aventho 1001609 Compare | 98.2 | 75.7 | 94.3 | 98.2 | 91.3 | 52 | 97.7 | 61.3 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
