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Plantronics 77559-41 USB Connector USB Audio Processor

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Plantronics USB Connector USB Audio Processor

Expand the connectivity options of your current Plantronics H-Series headsets with the DA45 USB adapter. With this corded USB-to-headset adapter and H-Series headset (traditionally used with a desk phone) you can now manage your PC communications with superior call clarity and the simplicity of inline call controls.


  • Plug-and-play USB connectivity for fast, simple setup
  • Easily accessible call controls, including call answer/end, mute volume +/-
  • Quick Disconnect capability allows the headset to detach without losing the call
  • PC Wideband delivers heightened speech clarity, providing the best possible PC audio quality (Headset must support wideband audio)
  • Download the latest release of Plantronics software and get one-touch call answer/end with supported softphones
  • Two-year limited warranty


Manufacturer Warranty

1 year limited
1 year limited

Quick Info


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year

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