Plantronics PL-DSP300

• Full-range stereo sound
• Quick Adjust microphone
• Includes Speech and Voice Recognition Software
• USB plug and play - no sound card required
• Noise cancelling microphone
• Inline digital volume and mute controls
• PerSono Audio Control Cener Software

$84.00

Plantronics PL-DSP400

• Foldable for easy storage and transport
• Digital Signal Processor
• Full-range stereo sound
• USB plug & play-no sound card required
• Noise cancelling microphone
• "Quick Adjust" Microphone
• Includes Speech and Voice Recognition Software
• Inline digital volume and mute controls

$84.00

Plantronics PL-DSP500

• Digital Signal Processor for enhanced sound
• Includes PerSono Audio Control Software
• Quick Adjust Microphone
• Includes Speech and Voice Recognition Software
• Noise cancelling microphone
• Inline digital volume and mute controls
• 40mm stereo speakers with maximum bass response

$99.95