Plantronics 205255-11 Analog Switch for Quick Disconnect (QD) Headsets

SKU: sil70888


General Information

Manufacturer: Poly
Manufacturer Part Number: 205255-11
Manufacturer Website Address:
Brand Name: Plantronics
Product Series: MDA100 QD
Product Model: MDA105 QD
Product Name: Analog Switch for Quick Disconnect (QD) Headsets
Marketing Information:

Make the switch to softphones seamless

The MDA100 QD Series switches make the transition to softphones and unified communications seamless, without the need to invest in new headsets. Customer service representatives (CSRs) can effortlessly manage audio from different sources with limited need for additional training. Smart and straightforward, the MDA100 QD Series switches help manage your transition without disruptions.


Easy-to-access buttons also give visual mute status


Your Plantronics headset investment is protected


6-position configuration switch ensures desk phone and softphone compatibility


Volume control (MDA105 QD only) allows CSRs to manually manage call volume

Intelligently Simple

In busy customer service centers, the intuitive MDA100 QD Series switches help manage audio. An easy-to-access mute button makes it simple to silence calls with confidence, while a ten-foot coil cable allows CSRs to move freely during conversations. The new volume control feature (MDA105 QD) allows users to manually manage call volume outside of their deskphones or PCs. CSRs will be able to focus on delivering a great customer experience, instead of being distracted by the devices around them.

Ready for the future

The MDA100 QD Series switches will help you effortlessly transition technologies. They are compatible with PCs, Macs, Plantronics Quick Disconnect (QD) headsets, and all major desk phones and softphones. You can also manage your inventory of MDA100 QD Series switches using Plantronics Manager Pro software subscription service. Pretty smart for something so simple.


  • Accessible ports
  • Mute button with visual indicator
  • Enhanced compatibility
  • 10-foot coil cable
  • Works with Plantronics QD (Quick Disconnect) headsets
  • No-slip base
  • Easy-to-use switch

Product Type: Headset Switch


Package Contents:

  • Analog Switch for Quick Disconnect (QD) Headsets
  • 10-foot coil cable
  • RJ9 cable
  • USB to micro USB cable

Application/Usage: Telephone
Application/Usage: Headset
Application/Usage: PC
Compatibility: Plantronic Headsets:

  • EncorePro 700 Series HW710
  • EncorePro 700 Series HW720
  • EncorePro 500 Series HW510
  • EncorePro 500 Series HW520
  • EncorePro 500 Series HW540
  • SupraPlus Series HW261
  • SupraPlus Series HW261N
  • SupraPlus Series HW251
  • SupraPlus Series HW251N
  • Entera HW111N
  • EnteraHW121N

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