Bring digitally enhanced audio quality and the comfort of Plantronics headsets to Voice over Internet Protocol (VoIP) softphones with the Plantronics DA55. The DA55 includes a USB-to-headset adapter with digital signal processing (DSP) for crisp, clear sound.

The offers all the same features as the DA55, plus an in-line mute switch and PerSono Pro 2.0 software for great control of voice and audio quality.