Plantronics DA Series DA90 USB Audio Processor

Overview

The Plantronics 201853-01 is a DA90 USB audio processor designed to connect Plantronics headsets with a six-pin Quick Disconnect plug to computers via a USB Type-A port. It transforms traditional call center headsets into fully functional devices for softphone applications, enabling seamless use with popular unified communications platforms. The processor features dedicated controls for volume, mute, and call handling, making it easier for users to manage calls without interrupting their workflow.

With stereo audio support for training or media playback and real-time noise and echo cancellation, this device enhances call clarity even in busy environments. Acoustic exposure management protects hearing during long shifts, while firmware upgradeability ensures the processor stays current with new features and compatibility improvements.

Key features

• USB Type-A connection and six-pin Quick Disconnect headset port for easy integration with existing equipment
• Dedicated buttons for volume control, mute, and call answer/end to streamline call management
• Stereo sound output allows supervisors to play training or music through both earcups without disrupting calls
• Active noise and echo cancellation improves audio quality by reducing background sounds on both ends of the call
• Acoustic exposure algorithms monitor and limit audio levels to protect user hearing during extended use
• Firmware upgrade support enables IT teams to add new features and maintain compatibility without hardware replacement
• Compatible with Poly EncorePro series and other Plantronics Quick Disconnect headsets for flexible deployment
• Two-year limited warranty provides reliable support and peace of mind

Key specs

• Connection type: USB Type-A to six-pin Quick Disconnect headset port
• Audio output: Stereo for media, mono for calls
• Controls: Volume adjust, mute, call answer/end buttons
• Noise management: Active noise and echo cancellation
• Hearing protection: Acoustic exposure management algorithms
• Firmware: Upgradeable via USB connection
• Warranty: Two-year limited warranty

Connectivity and compatibility

The DA90 USB audio processor connects directly to a computer’s USB Type-A port and supports any Plantronics headset equipped with a six-pin Quick Disconnect plug. This makes it a versatile choice for contact centers and remote workers who want to keep their existing headsets while upgrading to softphone functionality. It works especially well with the Poly EncorePro series but is compatible with a wide range of Plantronics QD headsets, ensuring smooth integration into various communication setups.

Performance and reliability

Designed to maintain clear and professional audio quality, the processor’s noise and echo cancellation features actively reduce background distractions, which is crucial in noisy office environments. The built-in acoustic exposure management safeguards users’ hearing by automatically adjusting volume levels during long calls. Firmware upgradeability means the device can evolve with changing software requirements, extending its useful life and reducing the need for frequent hardware replacements.

Ideal uses and environments

This audio processor is well suited to busy contact centers, remote customer service agents, and any professional setting where clear communication and headset comfort are priorities. It supports users who rely on softphone applications and need quick access to call controls without interrupting their workflow. The ability to play stereo audio for training or media also makes it a practical tool for supervisors managing teams or delivering remote training sessions.