Plantronics DA Series DA90 USB Audio Processor

The Plantronics 201853-01 is a DA90 USB audio processor that links any Plantronics headset with a six-pin Quick Disconnect plug to a computer through a standard USB Type-A port. Once connected, it turns a traditional call center headset into a full-featured device for softphones, allowing agents to handle calls on popular unified communications platforms without changing their familiar headset.

Inside the compact housing you will find dedicated buttons for volume, mute, and call answer or end functions. Because these controls sit at your fingertips, users do not have to search on screen for the same commands, which reduces handling time and helps them stay focused on the conversation. Stereo audio support lets supervisors play training material or music through both earcups, while callers continue to hear the user in clear mono.

Plantronics adds noise and echo cancellation that works in real time to clean up background sounds, so even a busy customer service floor can sound professional to the person on the other end. Built-in acoustic exposure algorithms watch audio levels and automatically keep them within recommended safety limits, protecting hearing over long shifts.

The DA90 also supports firmware updates, so IT teams can apply new features or compatibility patches without swapping hardware. It pairs naturally with Poly EncorePro series headsets, but any Plantronics QD model can take advantage of the same performance. From large contact centers to remote agents working at home, the processor offers a straightforward way to improve call quality, simplify training, and extend the life of existing headsets.

• USB Type-A computer connection and six-pin Quick Disconnect headset port
• Integrated buttons for volume adjust, mute, and call answer or end
• Stereo sound output for media and training content
• Active noise and echo cancellation that cleans incoming and outgoing audio
• Acoustic exposure management that keeps listening levels within safe limits
• Upgradeable firmware for ongoing feature updates
• Works seamlessly with Poly EncorePro series and other Plantronics QD headsets
• Two-year limited warranty from Plantronics