Poly 2.5mm Adapter Plug

(2 customer reviews)


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Poly 2.5mm Adapter Plug (Poly 78333-01 or HP 85R36AA)

  • Adapts amplifiers to 2.5mm telephone jacks
  • Poly M22 Amplifier
  • RJ-9 connector on one end / 2.5mm on other end
  • Quantity per package: 1 cable
  • Same Day Shipping On In Stock Items
  • Warranty Not Applicable To Accessories
  • Non-Returnable

Poly 2.5mm Adapter Plug – Poly 78333-01 or HP 85R36AA

The Poly 2.5mm Adapter Plug part # Poly 78333-01 or HP 85R36AA adapts amplifiers to 2.5mm telephone jacks. With the 2.5mm adapter cable, you plug one end of the cable into the 2.5mm jack on your telephone. The other end of the cable plugs into your Poly amplifier (M22 for example) and replaces the “pig tail” cord. You can now enjoy commercial-grade H-series headsets and amplifiers on phones with 2.5mm connections.

Poly 2.5mm plug

Poly 2.5mm Plug Specifications

Cable Length

  • 1.64 ft

Cable Type

  • Mini-phone/RJ-9

Connector Ends

  • First End: Sub-mini (2.5mm) phone – Male
  • Second End: RJ-9 – Male

Device Supported

  • Headset/Headphone

Poly 2.5mm Adapter Plug Product Details

  • Poly SKU: 78333-01
  • Poly UPC: 5033588028406
  • HP SKU: 85R36AA
  • HP UPC: 197497573626
  • Comes: 1 cable per package

Additional information for the Poly 2.5mm Adapter Plug




Same Day Shipping On In Stock Items




Not Applicable To Accessories





2 reviews for Poly 2.5mm Adapter Plug | Poly 78333-01 or HP 85R36AA

  1. $$$


  2. wip

    This is exactly what i needed, works great.

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