JLab JBuddies Studio JKSTUDIO-GRYBLU-BOX
form factor over-ear
driver type dynamic
driver size mm 40
open closed back closed
58 Overall Score
Price ¥4,980
Snapshot
Pros & Cons
Pros
- Strong comfort (99th percentile) 99th
- Strong build (94th percentile) 94th
- Strong social proof (83rd percentile) 83rd
- Strong sound (74th percentile) 74th
Cons
- Below average anc (34th percentile)
The proof
Performance
Specifications
Full Specifications
Design
| Form Factor | over-ear |
| Open/Closed | closed |
| Foldable | Yes |
| Weight | 0.1 kg / 0.3 lbs |
| Ear Cushion | Memory foam |
| Headband | Stainless steel |
Audio
| Driver Type | dynamic |
| Driver Size | 40 |
| Freq Min | 20 |
| Freq Max | 20000 |
Connectivity
| Wireless | No |
| Wired Connector | 3.5mm |
Microphone
| Microphone | Yes |
Features
| Voice Assistant | Siri, Google Assistant |
| App | iOS |
vs Competition
| Spec | JLab JBuddies Studio JKSTUDIO-GRYBLU-BOX | Sony ULT WEAR WHULT900N/B | Sennheiser MOMENTUM 4 | Bose QuietComfort 884367-1100 | JBL Live 770NC | Beyerdynamic Aventho 1001609 |
|---|---|---|---|---|---|---|
| Form Factor | over-ear | over-ear | over-ear | over-ear | over-ear | on-ear |
| Driver Type | dynamic | dynamic | dynamic | dynamic | dynamic | dynamic |
| Driver Size (mm) | 40 | 40 | 42 | - | 40 | 45 |
| Impedance Ohms | - | 314 | 470 | 32 | 32 | 48 |
| Wireless | false | true | true | true | true | true |
| Active Noise Cancellation | - | true | true | true | true | true |
| Open Closed Back | closed | closed | closed | closed | closed | closed |
| Bluetooth Version | - | 5.2 | 5.2 | 5.1 | 5.3 | 5.4 |
| Battery Life Hours | - | 30 | 60 | 24 | 65 | 40 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| JLab JBuddies Studio JKSTUDIO-GRYBLU-BOX | 33.6 | 54.4 | 93.8 | 74.1 | 52.6 | 99.2 | 53.2 | 68.8 | 83.3 |
| Sony ULT WEAR WHULT900N/B Compare | 98.5 | 89.4 | 81.5 | 96.9 | 82.1 | 62.1 | 70.8 | 99.2 | 89.5 |
| Sennheiser MOMENTUM 4 Compare | 98.5 | 89.4 | 93.8 | 98.5 | 93.1 | 91 | 37.5 | 98.6 | 72.1 |
| Bose QuietComfort 884367-1100 Compare | 92 | 75.5 | 93.8 | 52.9 | 79.6 | 85.7 | 81.3 | 95 | 89.5 |
| JBL Live 770NC Compare | 98.5 | 84.9 | 93.8 | 89.3 | 94.6 | 62.1 | 70.8 | 99.9 | 94.9 |
| Beyerdynamic Aventho 1001609 Compare | 98.5 | 84.9 | 96.3 | 98.8 | 86.1 | 62.1 | 0 | 98.3 | 61.4 |
Price
Value & Pricing
From ¥4,980
Amazon.co.jp 1 offer From ¥4,980
We started tracking prices for this product on Jun 13, 2026. The chart appears once we have more data.
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
