HamiltonBuhl KIDS-HA2
form factor on-ear
driver type Cobalt magnet type
driver size mm 30
impedance ohms 32
31 Overall Score
Price R$112
Snapshot
Pros & Cons
Pros
- Strong comfort (66th percentile) 66th
Cons
- Below average connectivity (14th percentile)
- Below average mic (16th percentile)
- Below average anc (30th percentile)
- Below average build (35th percentile)
What owners think
The proof
Performance
Specifications
Full Specifications
Design
| Form Factor | on-ear |
| Weight | 0.1 kg / 0.2 lbs |
| Ear Cushion | foam |
Audio
| Driver Type | Cobalt magnet type |
| Driver Size | 30 |
| Freq Min | 20 |
| Freq Max | 20000 |
| Impedance | 32 |
| Sensitivity | 90 |
Connectivity
| Wireless | No |
| Wired Connector | 3.5mm |
| Cable Length | 1.52 |
vs Competition
| Spec | HamiltonBuhl KIDS-HA2 | Sennheiser Momentum MOMENTUM 4 | Sony ULT WEAR WHULT900N/B | JBL Live 770NC | TOZO HT3 HT3 | Audio-Technica M-Series ATH-M50xBT2 |
|---|---|---|---|---|---|---|
| Form Factor | on-ear | over-ear | over-ear | over-ear | over-ear | over-ear |
| Driver Type | Cobalt magnet type | dynamic | dynamic | Dynamic | dynamic | dynamic |
| Driver Size (mm) | 30 | 42 | 40 | 40 | 40 | 45 |
| Impedance Ohms | 32 | 470 | 314 | 32 | 16 | 38 |
| Wireless | false | true | true | true | true | true |
| Active Noise Cancellation | - | true | true | true | true | false |
| Open Closed Back | - | closed | closed | closed | closed | closed |
| Bluetooth Version | - | 5.2 | 5.2 | 5.3 | 6.0 | 5.0 |
| Battery Life Hours | - | 60 | 30 | 65 | 90 | 50 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|
| HamiltonBuhl KIDS-HA2 | 30.4 | 15.6 | 34.5 | 49.2 | 44.3 | 65.5 | 13.9 | 39 |
| Sennheiser Momentum MOMENTUM 4 Compare | 97.5 | 85.1 | 77.1 | 95.1 | 89.1 | 79.3 | 97.5 | 66.9 |
| Sony ULT WEAR WHULT900N/B Compare | 97.5 | 85.1 | 77.1 | 95.2 | 72.5 | 50.6 | 98.9 | 97.6 |
| JBL Live 770NC Compare | 97.5 | 78.5 | 97.2 | 84.9 | 91.5 | 50.6 | 99.9 | 92.5 |
| TOZO HT3 HT3 Compare | 87.3 | 85.1 | 95.9 | 98.9 | 97 | 50.6 | 96.6 | 92.5 |
| Audio-Technica M-Series ATH-M50xBT2 Compare | 30.4 | 78.5 | 77.1 | 94.3 | 83.7 | 86.5 | 92.9 | 78.7 |
Price
Value & Pricing
From R$112
Amazon.com.br 1 offers From R$112
May 25, 2026 R$112
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
