David Clark Aurora Class Industrial Bluetooth headsets provide extremely reliable performance and communication clarity. The HBT-40 communication model is designed for use with cell phones, tablets, computers and other smart devices for clear communication in high-noise industrial manufacturing, road work, utility and construction environments.
Version Includes:
- Bluetooth 4.0
- M-55 electret mic
- Flex/wire boom
- Dual ear
- Behind-the-head
Features:
- Rugged, marine grade hardware
- M-55 electret microphone for enhanced noise cancelling
- Hybrid Flex/Wire boom for easy, precise microphone placement
- Bluetooth 4.0
- RoHS Compliant
- USB Charging cord included
- FCC Approved
- Range 10M or approx. 30 feet
- Battery life 140 hours standby or 80 hours continuous use
AI disclosure: this description was generated with AI assistance from this product's own listing data.
Product Codes | |
|---|---|
| Mfr Part No: | 42021G-02 |
- Stock: Out of Stock
- Manufacturer Part #: 42021G-02
Aircraft Fitment Finder
Returns & refund summary
- 30-day return window — with prior return authorization, unopened in original packaging.
- Restocking fee: 20% on unopened items, 30% on open-box items.
- Refund processing fee: 5.51% applies only to customer-remorse returns and customer-initiated cancellations. If a problem is our fault (our cancellation, unavailability, wrong item, confirmed defect, or shipping damage) your refund is 100% with no fees.
- Return shipping: paid by buyer on customer-remorse returns; we pay return shipping when the problem is our fault.
- Non-returnable categories: installed/used parts, special-order or rebuilt items, programmed items (incl. ELTs), batteries, AOG-priority orders, international orders.
Full terms: Return Policy.
Authenticity & authorization
We source products from manufacturers, authorized distributors, and established aviation suppliers as applicable. We are an independent reseller; we do not claim direct dealer or authorized-representative status for any brand. Documentation, source, and warranty eligibility vary by product and are confirmed on request.
See our full Manufacturer Authorizations page for the current per-brand status.
Need traceability paperwork?
If your installation requires FAA Form 8130-3, manufacturer Certificate of Conformance, or other traceability documentation, please call 1-877-722-8727 or email [email protected] before placing the order so we can confirm what is available for this part.
Shipping
Standard ground, expedited, and AOG shipping options are available at checkout. Full shipping-cost tiers and timelines are published on our Delivery Information page.
