Top 5 Plantronics Computer Headsets – February 2012 1) .Audio DSP-400 – The Audio DSP 400, a light weight stereo headset for your computer or laptop. With its collapsible design, it’s ideal for easy storage and transport. 2) .Audio 478 – Audio 478 is a Skype certified headset with digital signal processing that scrubs the static and kills the echo. … Continued