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

Discontinued – Click for more info

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

  • Manufacture Discontinued May 2020 – Replaced by Blackwire 3225 or 3325 Series
  • 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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  • Experienced consultants help you choose exactly the products you need, preventing unnecessary purchases
  • Free user setup help and training
  • 100% satisfaction guaranteed
  • Our team is committed to answering every call live during business hours
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  • 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

Manufacture Discontinued.


“I deal with countless vendors for the 21 engineering and design groups I support; your company’s customer service remains unsurpassed, which is a compliment I give out sparingly. ItRead more

Reese S. (Everett, WA)