POLY DA85M USB-A/USB-C Digital Adapter for QD Headsets

The Poly DA85M is a USB-A/USB-C digital adapter that connects Plantronics/Poly Quick Disconnect headsets to computers, adds native Microsoft Teams controls, and protects hearing with intelligent audio management.

Whether agents are in a busy call center or working from home, the DA85M simplifies connections and delivers consistent sound performance. This compact inline adapter supports both USB-A and USB-C, recognizes Poly headsets to tailor audio, and exposes dedicated buttons for Teams-style call control. It also includes acoustic protection to limit hazardous peaks and provide safer listening across long shifts.

How does the DA85M improve daily call handling?

The adapter places call controls and Teams access where agents can reach them instantly, reducing fumbling and speeding up responses. Hold and call-answer buttons are built into the unit for quick call management, while USB options remove the need for extra dongles.

• Built-in hold and answer buttons for one-touch call control
• Direct Teams integration on the adapter for faster workflow
• USB-A and USB-C connectors to fit modern and legacy PCs

Will it work with my existing Plantronics/Poly Quick Disconnect headset?

Yes — the DA85M is made to be fully backwards compatible with any Poly headset that uses a Quick Disconnect (QD) connection. It detects the attached headset and adjusts audio parameters so you get reliable, optimized voice quality without manual tuning.

• Compatible with Poly/Plantronics QD headsets out of the box
• Automatic intelligent headset recognition for tailored audio
• No firmware or driver changes required for standard setups

How does the DA85M protect hearing during long shifts?

The adapter includes acoustic protection designed to limit sudden loud sounds and manage maximum output levels, helping reduce the risk of hearing strain. It continuously monitors audio peaks and applies safe-volume limits without sacrificing speech clarity during calls.

• Active acoustic protection to control dangerous volume spikes
• Maintains clear voice levels while enforcing safe limits
• Organization-wide consistency to protect all headset users

What connections and integrations does it provide for hybrid work?

The DA85M supports both USB-A and USB-C on the same cable so it fits older desktops and the latest laptops. Its native Microsoft Teams experience lets agents access Teams functionality directly from the adapter, streamlining cloud communications for hybrid teams.

• Dual USB connectivity for broad device compatibility
• Native Teams controls for faster cloud communication workflows
• Compact inline form factor that sits near the user for convenience

Who is this for: The Poly DA85M is built for contact center agents, remote service staff, and hybrid knowledge workers who use Poly/Plantronics QD headsets and need reliable USB connectivity, simplified call controls, and hearing-safety features. IT teams will appreciate easy deployment across mixed hardware environments, and end users gain consistent, tuned audio without extra setup.