Plantronics (Poly + Polycom) DSP-500 Digitally-Enhanced USB Headset

Plantronics (Poly + Polycom) DSP-500 Digitally-Enhanced USB Gaming/Multimedia Stereo Headset and SoftwareDescriptionUltra-sensitive digitally enhanced noise-canceling microphone delivers full spectrum of the human voice Digital Signal Processor (DSP) for digitally-enhanced stereo sound 40mm speakers provide greater bass response. Digital Signal Processor provides full range digital Audio QuickAdjust microphone boom allows the user to positions the microphone easily and consistently for uniform performance and higher accuracy. Lightweight materials for ultimate comfort One year warranty Product Specifications Digital Signal Processing: 5 channel 16-bit, 48kHz data from USB 24 bit, 100dB signal-to-noise CODEC 32 bit digital audio processing Headphone Output: 2 channel 48kHz output to headphone Headphone gain stage >80dB range Preset digital EQ-6 bands/channel (stereo) Bass, treble, balance and volume controls 20Hz-20kHz speaker frequency response 40mm speaker diameter Microphone Input: Mono, 16 bit, 48kHz data Preset digital EX-6 bands mono Mic gain stage >50dB range Up to25dB noise rejection (hypercardiod response) 100Hz-10kHz frequency response Electret condenser microphone with –38dVB/Pa sensitivity Ear cushion: 12mm foam Cable Length: 3 meters Connection: USB System Requirements Windows 98 Second Edition/Windows 2000: Pentium II 166 Mhz or equivalent 10 MB free disk space Windows 98: 16 MB RAM; Windows 2000: 32 MB RAM SVGA Monitor CD-Rom USB port