Smart-Trek Deluxe Stereo Headset 3.5 mm TRRS Plug
Sale price
$14.69
Regular price
$18.99
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Smart-Trek Deluxe Stereo Headset 3.5 mm TRRS Plug
SKU: ST2BK
Sale price
$14.69
Regular price
$18.99
Ships in 1–2 business days. Orders typically arrive in 3–8 business days.
Secure Checkout
Safe, secure ordering
Purchase Orders
School & district POs accepted
Product Support
Help choosing the right audio
Free Quotes
Bulk & institutional pricing
HamiltonBuhl Smart-Trek ST2BK is a wired classroom headset for listening and speaking. Its over-ear cushions, adjustable padded headband and inline volume control support daily lessons and compatible assessments.
Key Features
- 40 mm speaker drivers.
- Leatherette cushions and an adjustable headband.
- Five-foot Dura-Cord cable with a braided nylon construction and PVC jacket.
- Flexible, steel-reinforced gooseneck microphone.
Device Compatibility
The single 3.5 mm TRRS connector carries headphone audio and microphone input through a compatible headset jack. Separate audio and microphone ports require a suitable headset splitter; USB-only devices need an appropriate USB audio adapter or a native USB headset.
Check your exact device ports and software requirements before a bulk order.
Technical Specifications
| Model | ST2BK |
|---|---|
| Connection | 3.5 mm TRRS |
| Microphone | Omnidirectional, steel-reinforced gooseneck |
| Driver | 40 mm |
| Frequency response | 50 Hz–20 kHz |
| Sensitivity | 100 dB ±4 dB |
| Impedance | 32 ohms |
| Cable | 5 ft Dura-Cord |
| Volume control | Inline |
| Cushions / fit | Leatherette / over-ear |
| Warranty | 1 year |
Choose the Right Smart-Trek Model
ST1BK is the listening-only 3.5 mm TRS headphone. ST2BK adds a microphone and uses 3.5 mm TRRS. For USB-only devices, compare the USB headset and confirm its connector.
What’s Included
One ST2BK headset and a heavy-duty, write-on, reclosable storage bag. This listing is for a single unit.
Warranty & Care
HamiltonBuhl lists a one-year manufacturer warranty. Contact Learning Headphones for assistance.
Handle the cable and connectors gently, hold the plug when disconnecting, and follow the manufacturer’s cleaning instructions. Store equipment in a dry location between uses.
Frequently Asked Questions
Does this model include a microphone?
Yes. The ST2BK has a flexible gooseneck microphone.
How long is the cable?
Five feet.
Can we use it for testing?
Confirm the connection and microphone requirements of your devices and testing platform. Trial a unit before a large deployment.
School & District Purchasing
Purchase orders are accepted. Request a quote with your device models, quantity, delivery location and needed-by date. We can help with volume pricing, tax-exempt purchasing and compatibility questions.
See our shipping policy and contact our team for current availability and order assistance.