About the ProductThe DSP-500 is a digitally enhanced USB headset featuring digital signal processor, 40mm speakers, micorphone, and PerSono audio control software.
Plantronics DSP-500 Reviews Rating: 70 out of 100 based on 1 rating.
|3d Retreat||---||Apr 23 '01|
|CNET||7/10||Jan 22 '01|
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