Top 5 Best Selling Plantronics Computer Headsets for May 2011 1) .Audio DSP-400 – Aside from the DSP feature that allows for greater clarity of voice, I like the fact that you can fold the .Audio DSP 400 and take it with you anywhere you go. 2) .Audio 646 DSP – – I like the fact that it goes behind the neck … Continued
Top 5 Best Sellers for Plantronics Computer Headsets for April 2011 1) .Audio DSP-400 – Stereo headset with enhanced digital signal with DSP for crisp clean listening. Hear your DVD s, CDs, or MP3 with clarity. Bonus of a speech enhancing microphone. 2) Blackwire C220 – Binaural full wide band audio with stereo sound optimizing music and video quality. USB enhanced digital sound, … Continued