*DISCONTINUED*  Replaced by Plantronics MDA526 Corded Switcher/Mixer for Digital QD Headsets

Plantronics DA90 Digital USB audio processor has stereo audio support and it supports Plantronics advanced headset inventory management.  Plantronics DA90 offers exceptional sound quality and control, and they also help you meet OSHA and Noise at Work specifications. With Plantronics and third-party software applications you will be able to communicate intelligence and activate new experiences for your team and your customers. Plantronics DA90 is the top of the line high-performance Digital USB audio processor with digital signal processing, and one-touch call and volume control. The DA90 also helps you meet OSHA / Noise at Work regulations.

Key Features:

• Only Compatible with Plantronics 6-Pin Quick Disconnect Headsets* (i.e. HW510D, HW520D, HW710D, HW720D).  Not compatible with the traditional 4-pin Quick Disonnect H-series headsets.
• Reports serial numbers of audio processor and connected headset to Plantronics Hub and Plantronics Manager Pro
• Superior noise and echo cancellation
• Call answer/end, mute and volume controls
• Designed for Telephone-intensive users
• Acoustic exposure algorithms helps you meet Noise at OSHA Work regulations
• Downloadable firmware updates
• 2-year limited warranty

For more details and comparison between DA90, DA80 and DA70 see Plantronics DA datasheet