For Corporate or Bulk Enquiries, reach us at avsupport@trianzetech.ae | Call +971 58 161 3661 | WhatsApp +971 58 161 3661
For Corporate or Bulk Enquiries, reach us at avsupport@trianzetech.ae | Call +971 58 161 3661 | WhatsApp +971 58 161 3661
Skip to product information
1 of 1

Poly DA85: USB to Quick Disconnect Headset Adapter with Call Control

  • Converts a USB port into a Quick Disconnect (QD) headset connection
  • Inline call control for answer, end, mute and volume
  • Compatible with a wide range of Poly and Plantronics corded QD headsets
  • Bus powered with no external power adapter required
Brand :Poly
Model : 786C7AA

View full details
Genuine Products

Genuine Products

Original Brand Warranty

Original Brand Warranty

Product Training

Product Training

Installation, Maintenance & Support

Installation, Maintenance & Support

Request a Quote

Applications & Use Cases

  • Call Center Desks: adds full call control to an existing QD corded headset
  • Headset Upgrades: reuse a QD headset with a USB based softphone system
  • Frequent Callers: inline mute and volume control without touching the PC
Poly DA85 USB to Quick Disconnect adapter with inline call control
Poly 786C7AA
  • Specifications
  • Details

Poly DA85: USB to Quick Disconnect Headset Adapter with Call Control

The Poly DA85 lets a corded Quick Disconnect (QD) headset connect to a computer via USB, with inline call control features that give softphone users convenient remote call management.

Key Features

  • Converts a standard USB port into a Quick Disconnect (QD) headset connection
  • Inline call control for answer, end, mute and volume adjustment
  • Compatible with a wide range of Poly and Plantronics corded QD headsets
  • Bus powered with no external power adapter required

Technical Specifications

Connector In USB Type-A
Connector Out Quick Disconnect (QD)
Controls Inline call control (answer, end, mute, volume)
Power Bus powered via USB
Compatibility Poly and Plantronics QD corded headsets
Part Number 786C7AA
Warranty 1 year limited warranty

Why Buy the Poly DA85 from Trianze Tech?

  • Genuine Poly business accessory sourced through Trianze Tech
  • Adds full inline call control to an existing QD corded headset over USB
  • Professional AV integration and installation support across Dubai, Abu Dhabi, and the GCC

Call for Best Price: +971 58 161 3661 | Chat on WhatsApp

Call for Best Price: +971 58 161 3661 | Chat on WhatsApp

Package Contents

  • Poly DA85 USB to QD adapter with inline call control

Warranty

  • 1 year limited warranty, honoured in the UAE through Trianze Tech

Sustainability

  • Extends the useful life of an existing QD corded headset instead of requiring a full headset replacement

Expandability

  • Pairs with any Poly or Plantronics QD corded headset for USB based softphone use with full call control

Distribution

  • Distributed and supported across Dubai, Abu Dhabi and the wider UAE and GCC by Trianze Tech

Call for Best Price: +971 58 161 3661 | Chat on WhatsApp

Frequently asked

Questions our clients ask before signing.

If you don't see your question here, our consultants will gladly walk you through specifics on a discovery call.
Still have questions?
Talk to a consultant — most queries are answered in a 15-minute call.
Both adapters convert USB to a Quick Disconnect headset connection, but the DA85 adds inline call control buttons for answering, ending, muting, and adjusting volume directly from the cable, while the DA75 is a basic adapter without these controls.
The DA85 is compatible with Poly and Plantronics corded headsets that use a standard Quick Disconnect (QD) connector.
No, the DA85 is bus powered directly from the USB port, so no separate power adapter is required.
Yes, the inline call control unit on the DA85 includes a mute button along with answer, end, and volume controls.
No, the DA85 is a USB adapter for computers and softphone applications. For desk phone connections, a cable such as the U10P or M22 is used instead.
Trianze Tech stocks the Poly DA85 USB adapter in Dubai with fast delivery across the UAE and GCC. Call +971 58 161 3661 or message us on WhatsApp for the best price and current stock availability.