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Female RJ9 to Male 2.5mm


Product Description

  • Female RJ9/RJ10/RJ22 to Male 2.5mm plug headset adapter
  • Convert your RJ9 Phone Headset to 2.5mm
  • Save money by using your existing headset!
  • Does not work with RJ11 (which is the size of the phone jack in the wall, larger than headset phone jacks)
  • 1 year warranty, 100% Satisfaction Guaranteed!
Why buy another headset your new office phone? Use the Headset Buddy Adapter and your existing headset with office phones that have a 2.5mm headset jack. A big productivity enhancer for home businesses, call centers, sales people, or anyone who is on the phone all the time, but doesn't want to buy yet another headset.

This amazing Female RJ9 to 2.5mm adapter converts the standard headset RJ9/RJ10/RJ22 mic/audio plug to a standard 3 conductor 2.5mm plug. All Headset Buddy products are EU RoHS Compliant.



Compatible Headsets:

Headset Buddy



GN Netcom

Compatible Phones with 2.5mm Headset Jack:

AT&T Synj, 992, 1080, 1070, 1040, 993

Cisco SPA921, 501G, 502G, 504G, 508G, 509G, 7920, 7921 7921G, 7929, Powercube

Linksys SPA 921, SPA 922, SPA 941, SPA 942, SPA 962

Nortel WLAN 2210, WLAN 2211

Panasonic 7600, 7700 and 300 series

Polycom SoundPoint IP 320, 321, 330, 331

RCA Executive Series, Visys

Product Videos

Headset to 25mm Phone Adapter RJ9PH25 00:54

  • Headset to 25m...

Warranty Information

Free returns, always!

We have a 30-day, no-questions-asked return policy for all of our products as well as a one-year, 100% Satisfaction guarantee; we’ll replace your HeadsetBuddy for free within the first 12 months.

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