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.Audio 400 DSP Stereo Folding 3.55mm Headset w/USB Adapter

List price: $69.99


You save: $13.99 (20%)
Who we are logo, BTP representative with headsets

Every order includes unlimited lifetime support from our Headset Helpdesk, saving you time and money.

Plantronics AUDIO400 Digital USB Foldable Stereo PC Headset is Easy to Transport Wherever you go!

  • Headset can be folded and taken with you everywhere: listen to music and files on your laptop, and take it with you while traveling
  • PlantronicsSoftware allows users to adjust microphone and audio characteristics like volume, bass and treble, launch their favorite voice or audio applications, as well as select audio presets like rock, jazz or classical, all from a central software interface
  • Headset has full-range stereo sound
  • Headset has bendable noise cancelling microphone
  • Plugs directly into USB port: no need for a sound card
  • 9 ft 9 in cord
  • 1 year Plantronics manufacturer’s warranty
MFR Part: 76921-01

Additional information

Weight 1.1875 lbs
Dimensions 9.25 × 4.00 × 10.00 in


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Our Unmatched, Value-added Service Saves You Time, Money and Hassles:

  • Experienced consultants help you choose exactly the products you need, preventing unnecessary purchases
  • Free user setup help and training
  • 100% satisfaction guaranteed
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  • Same-day response to emails
  • Same-day shipping
  • Full warranty facilitated by BTP


For customer service, sales inquiries, and technical support, contact us Monday–Friday, 8-5 Pacific Time. (After-hours messages and emails are promptly returned the following business day.)

Call: 800-457-4287 or 425-649-9262

Email: info@btpi.com

Special order, 1-2 weeks.

Sometimes this item is not in stock, due to low demand. In this case, expect a phone call or email from BTP Customer Service letting you know the estimated ship date.

If your order includes other products that are in stock, we will give you the option of waiting until all items are in stock to receive your order, or you may request a partial shipment of in stock item(s) with the special order item(s) to follow when available.

BTP does everything possible to eliminate delays and unnecessary expense associated with returns. At least two members of the BTP team will review your order for accuracy. If we have any questions or concerns about your order, such as two incompatible products, we will contact you right away.


“Eric, thank you very much.  I appreciate your help and great service.”Read more

Tom C., Tacoma, WA