POLY Da85 USB to Qd

POLY DA85 USB to QD is a digital adapter cable that connects Poly Quick Disconnect headsets to USB-A or USB-C ports, optimizing audio for clear, professional calls.

Designed for hybrid and remote contact center environments, the POLY DA85 converts quick-disconnect headset connectors into a single plug for modern computers. It brings smart headset recognition, built-in call controls, and hearing-protective features so agents get consistent, high-quality voice performance whether they're in the office or working from home.

How does the DA85 improve voice clarity on calls?

The adapter uses digital signal processing and headset recognition to tune audio parameters to the attached Poly headset model. That results in clearer speech, reduced background fuzz, and consistent microphone performance across devices.

• Automatic adjustment to the connected Poly headset profile
• Digital audio path for clean signal transmission
• Compatibility with professional headsets for predictable voice pickup

Will it work with my computer and contact center platform?

Yes — the DA85 is built to be flexible. The cable includes both USB-A and USB-C connectors so it plugs into most laptops and desktops, and it integrates with major call center platforms for basic call control functions.

• Dual connectors: USB-A and USB-C on the same cable
• Platform integration with Avaya, Genesys, and Cisco
• Full backwards compatibility with existing Poly Quick Disconnect headsets

What controls and safety features are included?

The DA85 provides straightforward on-cable controls for common call actions and protects listeners from sudden loud sounds. Accessibility and worker safety are built into the adapter without adding complexity to everyday use.

• Built-in Hold and Call Answer buttons for quick call management
• Acoustic protection that limits harmful volume spikes
• Easy plug-and-play setup—no special drivers for typical workflows

How does this help teams who switch between home and office?

The adapter's compatibility and consistent tuning mean agents can move between environments without changing headsets or losing audio quality. IT managers appreciate reduced support tickets thanks to predictable behavior across endpoints.

• Single cable solution for both legacy and current hardware
• Consistent audio profile across locations reduces troubleshooting
• Simplifies hybrid deployments and hot-desking setups

Who is this for: The POLY DA85 USB to QD is aimed at contact center staff, remote agents, and IT teams that need a durable, easy-to-deploy adapter for Poly Quick Disconnect headsets. It’s ideal for organizations using Avaya, Genesys, or Cisco platforms and for any worker who requires dependable call controls, hearing protection, and plug-and-play USB connectivity when moving between modern and legacy systems.