The Plantronics DSP-400 offers outstanding stereo sound with the accuracy of a noise cancelling microphone, delivering accurate speech recognition results in real world tests.

The lightweight headband is foldable for ease of storage, and the USB connections means that your computer doesn’t need an existing sound card. The DSP-400 also features in-line volume and mute controls, for quick and easy adjustment.

The DSP-400 is packaged with Plantronics PerSono audio control centre software, enabling you to adjust tone or even select audio presets like rock, jazz and classical.

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• Folds for easy storage and transport
• USB plug play – no sound card required
• Noise cancelling microphone
• QuickAdjust microphone boom
• Inline digital volume and mute controls
• PerSono Audio Control Center Software

Specifications:

• Digital Signal Processing:
• 16-bit, 48kHz data from USB
• 24 bit, 100dB signal-to-noise CODEC
• 32 bit digital audio processing
• Headphone Output:
• Channel output to headphone: 48kHz
• Headphone gain stage >80dB range
• Speaker frequency response: 80Hz-12kHz
• Speaker diameter: 28mm
• Microphone Input
• Sampling Rate: 16 bit / 48kHz
• Microphone gain stage: >50dB range
• Noise rejection: Up to 25dB
• Frequency response: 100Hz-10kHz
• Microphone sensitivity: -38dVB/Pa
• Misc. Specifications
• Ear cushion: 4mm Foam
• Cable Length: 3 meters
• Connection: USB