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Poly MDA524 QD Audio Processor

Poly Voyager Office Base for Wireless Headsets

  • Allows Desk Phone & Computer connectivity
  • Compatible with Voyager 4300 UC and Voyager Focus 2
  • Connects to PC via USB-A/USB-C cable
  • Included telephone interface cable for deskphones
  • Up to 300 ft roaming


Poly MDA524 QD Audio Processor for H-Series Headsets:

The Poly MDA524 QD audio processor seamlessly integrates mixed call environments and makes it easy for CSRs to provide a better customer experience. Independent volume and mute controls allow for audio channel mixing to improve customer experience because customers can hear and be heard clearly.


  • Allows customer service representatives to take calls on desk phones or softphones
  • Supports Poly standard Quick Disconnect (QD) headsets, Poly digital QD headsets and Y-training cables
  • The Poly MDA524 QD is available in two models: Poly standard 4 pin QD headsets and MDA526 QD for Poly digital 6 pin QD headsets
  • Comprehensive desk phone compatibility with electronic hook switch (EHS) integration (available separately)
  • Superior noise and echo cancellation

Poly MDA524 QD Benefits:

  • One headset for desk phone and PC calls or applications
  • Manage your audio from one simple-to-use device
  • Easy-to-use buttons
  • Visually see your microphone mute button and call status indicators
  • Independent volume and mute and call answer/end controls
  • Superior noise and echo cancellation
  • 4-Pin Quick-Disconnect Cord allows you to walk away from your desk
  • Compatible with any Poly H-Series headset
  • Desk phone compatibility with electronic hook switch (EHS) integration
  • USB-A or USB-C cable
  • 2-Year Warranty
  • USB-A
    • Part: MDA524 QD-A
    • SKU: 212164-01
    • UPC: 017229164239
  • USB-C
    • Part: MDA524 QD-C
    • SKU: 212174-01
    • UPC: 017229164253
  • Need help?  Call us and talk to a Real Person

What comes in the box:

  • MDA524 QD Audio Processor
  • 4-Pin Quick Disconnect cable
  • Telephone Interface cable (86007-01)
  • USB-A or USB-C Cable
  • Quick start guide

Poly MDA524 QD Audio Processor Compatibility Settings:

Compatibility Slide Switch: The bottom of the Poly MDA524 QD Audio Processor has a slide switch with letters A-F. Research your phone’s natural Direct Connect Cable for correct compatibility setting.

A = U10
B = A-10
C = U10P
E = U10P-S