25M-RJ9M - 2.5mm Male to RJ9 Male Audio Cable for Amplifiers

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This Male 2.5mm to Male RJ9 adapter allows you to connect any telephone with a 2.5mm headset jack to a wireless/bluetooth base station or wired amplifier.
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Product Overview

  • Adapts phones with a 2.5mm headset jack to either your corded headset amplifier jack, or to your wireless base station
  • Easy to use and install
  • Simple to use with most devices, amplifiers, and wireless base stations
  • High-quality manufacturing for extra durability
  • Professional-grade wiring and superior audio quality

Use a wireless headset or amplifier with your 2.5mm headset jack. This male 2.5mm to male Rj9 adapter allows you to connect any older telephones that has a 2.5mm headset jack to a wireless base station or wired amplifier. Compatible with most standard amplifiers and wireless base stations such as Plantronics, Jabra, and GN Netcom.

All Headset Buddy products are EU RoHS Compliant.


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 Headset Buddy for free within the first 12 months.

For further information about Headset Buddy's Warranty and Shipping & Returns policies select the imbedded links

Warranty Information

Compatible Devices

Works with most phones that have a 2.5mm headset jack.


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

Cisco SPA921, 501G, 502G, 504G, 508G, 509G, 525G, 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

RCA Executive Series, Visys

Compatible Amps & Headsets


Incompatible Phones

Phones with a 3.5mm headset jack.

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