HamiltonBuhl ST2BKU
Its 40mm drivers and noise-canceling gooseneck mic pair with a chew and kink resistant 5-foot USB-C cable for exceptional classroom durability. The 191-gram build with leatherette earcups and padded headband ensures all-day comfort, while in-line volume control adds practical convenience. This headset is best for K-12 students and educators needing a reliable, plug-and-play audio tool for standardized testing and multimedia lessons.
form factor over-ear
driver size mm 40
impedance ohms 32
open closed back closed
38 Overall Score
Price CA$48
Snapshot
The proof
Performance
Specifications
Full Specifications
Design
| Form Factor | over-ear |
| Open/Closed | closed |
| Weight | 0.2 kg / 0.4 lbs |
| Ear Cushion | leatherette |
| Headband | padded |
Audio
| Driver Size | 40 |
| Freq Min | 50 |
| Freq Max | 20000 |
| Impedance | 32 |
| Sensitivity | 100 |
Connectivity
| Wireless | No |
| Wired Connector | USB-C |
| Cable Length | 1.524 |
Microphone
| Microphone | Yes |
| Mic Count | 2 |
| NC Mic | Yes |
| Boom Mic | Yes |
| Mic Pattern | Omnidirectional |
vs Competition
| Spec | HamiltonBuhl ST2BKU | Sony ULT WEAR WHULT900N/B | Soundcore Life Q20 | JBL Tune 670NC | TOZO HT3 | Sennheiser ACCENTUM Plus |
|---|---|---|---|---|---|---|
| Form Factor | over-ear | over-ear | over-ear | on-ear | over-ear | over-ear |
| Driver Type | - | dynamic | dynamic | dynamic | dynamic | dynamic |
| Driver Size (mm) | 40 | 40 | 40 | 32 | 40 | 37 |
| Impedance Ohms | 32 | 314 | 16 | 32 | 16 | - |
| 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 | 5.0 | 5.3 | 6.0 | 5.2 |
| Battery Life Hours | - | 30 | 60 | 70 | 90 | 50 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|
| HamiltonBuhl ST2BKU | 33.6 | 97.1 | 37.9 | 81.2 | 52.6 | 91 | 27.1 | 30.4 |
| Sony ULT WEAR WHULT900N/B Compare | 98.5 | 89.4 | 81.4 | 96.9 | 82.1 | 62.2 | 99.2 | 89.6 |
| Soundcore Life Q20 Compare | 95.2 | 89.4 | 89.7 | 100 | 93.1 | 91 | 91.7 | 89.6 |
| JBL Tune 670NC Compare | 98.5 | 75.5 | 81.4 | 67.2 | 95.6 | 91 | 99.4 | 98.7 |
| TOZO HT3 Compare | 92 | 89.4 | 96.3 | 99.2 | 98.1 | 62.2 | 97.7 | 95 |
| Sennheiser ACCENTUM Plus Compare | 95.2 | 84.9 | 37.9 | 97 | 89.5 | 62.2 | 97.3 | 83.4 |
Price
Value & Pricing
From CA$48
