Connecting the headset via a PC's USB port allows you to bypass the computer's analog sound card entirely, resulting in a cleaner and stronger signal. When the USB port is used for sound, the sound must be transmitted through the port in the form of digital data. This digital audio stream can be modified and enhanced directly from the PC.

Plantronics Audio 400 DSP digitally enhanced headset provides three main benefits over conventional analog headsets. First, the digital interface provides an inherently better signal. Second, once audio data is in digital form it can be easily modified and customized. Finally, installing and configuring a digital headset can be a great deal easier than an analog one.

Plantronics digital headsets also provide inline, push-button volume level and mute controls. These digital volume controls provide greater precision than analog wheels. Volume settings are also saved within the headset's memory. In many ways, using the Plantronics Audio 400 DSP digital headset is like having an advanced sound card that you wear on your head.

This is a major area where Plantronics digital headsets differentiate themselves. All Plantronics digitally enhanced headsets have inline modules that utilize three separate chipsets to provide the best audio with Plantronics proprietary speakers and microphones. Using Plantronics exclusive PC Audio Control Center software (included with the headset), you can adjust numerous audio settings as well as apply various effects. Furthermore, once selected these presets are stored in nonvolatile RAM within the headset, so you can move it among PCs without losing your settings.

• Backed by Plantronics 1 year warranty and Headset Experts experienced customer support team
• Designed for CD's, MP3 music and multimedia applications where enhanced stereo separation is essential -In other words you can tell which direction something is coming from very easily
• Includes Plantronics exclusive digital PerSono Audio Control Center software
• Plantronics foldable, lightweight, digitally enhanced stereo USB computer headset is perfect for the busy traveler with a laptop computer. When folded, the headset easily fits in pocket or purse
• Plugs directly into the PC's USB port. No additional power supply is required
• QuickAdjust telescoping, bendable boom assures ideal microphone placement
• Two ear stereo style eliminates most background noise

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