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Poly MDA524 QD USB-C Headset Audio Processor/Mixer - New
Only $93.99
Poly MDA524 QD USB-C Headset Audio Processor/Mixer - New Poly MDA524 QD USB-C Headset Audio Processor/Mixer - New Poly MDA524 QD USB-C Headset Audio Processor/Mixer - New
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Poly MDA524 QD USB-C Headset Audio Processor/Mixer - New
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Poly MDA524 QD USB-C Headset Audio Processor/Mixer - New

SKU 107373 85Q24AA New
Was $149.99 You Save $56.00
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Item Information

The Poly MDA524 QD seamlessly integrates mixed call environments and makes it easy for Customer Service Representatives (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.  The MDA524 QD is for use with Poly Encore series of wired headset with 4-pin QD (quick disconnect) connector.



  • Allows CSRs to take calls on desk phones or softphones with one headset
  • Ability to mix both desk phone and softphone calls together at the same time
  • Independent volume and mute for both desk phone and softphone audio channels
  • Call answer/end, mute, volume +/- controls
  • Mono and Binaural audio support 
  • USB-C connection to PC
  • Compatible with over 800 models of desk phone 
  • Electronic hook switch (EHS) and HL10 handset lifter integration
  • Supports Poly standard Y-training cable for CSR training purposes
  • Superior noise and echo cancellation
  • Automatic gain control
  • Poly Manager Pro support

Previous Part Number

  • HP Poly 85Q24AA replaces Plantronics 212174-01 UPC/GTIN 00017229164253


  • Poly MDA524 
  • 4-Pin Quick Disconnect cable
  • USB-C cable
  • Telephone interface cable
  • Quick start guide


  • Headsets w/ 4 pin/QD digital tops
  • UC applications and softphones from Microsoft, Cisco, Avaya and others
  • All major desk phones
  • EHS cables and HL10 lifter

Poly MDA524 QD USB-C Headset Audio Processor/Mixer - New
New items ship in their original manufacturer's packaging. These items are in excellent condition with no blemishes on their housings.

UPC: 00197497571721

No Hassle Return Policy & PC Certified Guarantee

Rest assured, if you order the wrong items, don't like the model, or just don't need it anymore we accept returns with NO restocking fees. Whether you want something different or just a credit, we have you covered! This policy goes hand in hand with our company culture of delivering outstanding customer satisfaction.

If you need assistance finding a different product our awesome staff is ready to help. Contact us for expert support.

  • Item(s) must be returned within 30 days from invoice date.
  • Item(s) must be received in original condition preferably in the same packing materials.
  • Item(s) should be securely packed for safe return.
  • The purchaser is responsible for all shipping costs and insurance.


  • Products usually ship within two business days after payment. If you have a rush order, or need an item delivered on Saturday please call to request faster shipping.
  • All products are shipped and delivered on business days.
  • Fixed or free shipping offer does not apply to items shipped on pallets, please call for rates on those items. Free shipping offers only apply to the continental US.


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