Poly - DA85 UC USB-to-Headset QD Audio Processor (4 pin) (inline controls) (USB-A and USB-C)
Poly - DA85 UC USB-to-Headset QD Audio Processor (4 pin) (inline controls) (USB-A and USB-C)


Poly - DA85 UC USB-to-Headset QD Audio Processor (4 pin) (inline controls) (USB-A and USB-C)
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Poly (Plantronics) DA85 USB-A/USB-C Digital Adapter
SKU: 786C7AA
About this item
· Dual USB Connectivity: Built-in USB-A and USB-C connectors on the same cable for maximum compatibility.
· Inline Controls: Call control, volume up/down, mute/hold.
· Intelligent Headset Recognition: Optimizes audio settings for connected Poly QD headsets.
· Backward Compatibility: Works with any Poly QD headset and QD adapter.
· Durable Design: Enhanced cable durability with recessed buttons to avoid accidental presses.
· SoundGuard® Digital: Protects users’ hearing against sudden loud spikes.
· Portable & Lightweight: Just 30g with a compact 51.2-inch cable.
· Firmware Updates: Supported via Poly Lens software.
· Warranty: 2 years.
Product Description
The Poly DA85 Digital Adapter (SKU: 786C7AA) is a professional-grade USB audio processor designed to connect Poly QD headsets to USB-A or USB-C devices. It features dual connectivity, ensuring compatibility with both modern and legacy systems, while its intelligent headset recognition technology optimizes performance automatically.
Built for unified communications, call centers, and enterprise environments, the DA85 includes inline call controls, mute/hold, and SoundGuard® Digital hearing protection. Its rugged yet portable design makes it ideal for daily use, while firmware updates via Poly Lens future-proof the device.
Product Information
Feature
Details
Model Name
Poly DA85 USB-A/USB-C Adapter
SKU
786C7AA
Connectivity
USB-A & USB-C connectors (on same cable)
Headset Compatibility
Works with any Poly QD headset & QD adapter
Controls
Inline call control, volume, mute/hold
Audio Protection
SoundGuard® Digital (anti-startle, acoustic shock protection)
Buttons
Recessed to prevent accidental activation
Cable Length
51.2 in (1.3 m)
Weight
30 g / 0.06 lbs
Firmware Updates
Yes, via Poly Lens
Durability
Improved cable design for portability
Warranty
2 years
Ideal For
Call centers, office professionals, UC users
Use Cases
Connecting Poly QD headsets to PCs, laptops, and other USB-A/C devices
Is Discontinued
No
Country of Origin
China