The DA55 brings digitally enhanced audio quality and the comfort of Plantronics headsets to Voice over Internet Protocol (VoIP) softphones. The DA55 is a USB-to-headset adapter with digital signal processing (DSP) for clear sound. The USB-to-headset adapter connects to Plantronics professional headsets (Supports Polaris and traditional H-Series) via a Quick Disconnect™ (QD).
The DA55 is a subset of the DA60. The DA55 is a stand-alone adapter without the software and inline volume and mute controls included with the DA60.
Features and Benefits Digital Clarity, Plantronics Comfort: Plug the Plantronics DA55 directly into the computer’s USB port and connect to your favorite Plantronics professional headset. The DA55 utilizes DSP technology to deliver clear crisp audio.
Enhanced VoIP Sound Quality The DA55 combines echo suppression with the Plantronics Call Clarity® feature to deliver excellent audio quality for VoIP softphone applications. Plantronics Part#: 65903-01