The Best 3.5mm to rj9 adapter of 2021 – Top 10 and Rankings

If you’re looking for 3.5mm to rj9 adapter but don’t know which one is the best, we recommend the first out of 10 3.5mm to rj9 adapter in this article. Check out how we decide after hours of researching and comparing dozens of items on the market.

Rank No. #1
Headset Adapter Converter 3.5mm CTIA Plug to Female RJ9/RJ10 Headset/Handset Plug for Most Office Phone
  • NOT COMPATIBLE WITH AVAYA ,CISCO,YEALINK Grandsteam PHONES and SNOM Phones.ONLY COMPATIBLE WITH SOME SPECIFIC PHONE MODELS LISTED IN DESCRIPTION.
  • Comes with Universal 3.5mm OMTP to CTIA Earphone Converter Adapter. Do not worry the incompatibility.
  • Convert smartphone headset to 4P4C RJ9/RJ10 plug for office telephones.
  • NOT COMPATIBLE WITH AVAYA ,CISCO,YEALINK ,Grandsteam PHONES and SNOM Phones. Please Check the Compatible Phones list before your order.DO NOT BUY THE ITEM IF YOU CAN‘T FIND YOUR PHONE MODEL IN LISTS, CONTACT US FOR ADVICE
Rank No. #2
3.5mm Smartphone Headset to RJ9 Adapter for Telephone IP Phones:Yealink T20 T21 T41G etc Phones and Grandstream GXP14XX,GXP2124, GXP2120, GXP2140 GXP2140 GXP2160 GXP2110,
  • Convert 3.5mm Smartphone plug to single 4P4C RJ9/RJ10 handset plug.
  • Save money by buying a smartphone headset, or using your existing one with your phone's handset jack.
  • All functions on headset and phone would function same. Easy Setup, Plug and Play
  • Only works for some specific phones. Please see compatible phone models list in description below
Rank No. #3
VoiceJoy 3.5mm Smartphone Headset to RJ9 Adapter Cable - 3.5mm Headphone Converter to Office Telephone IP Phones
  • NOT COMPATIBLE WITH AVAYA ,CISCO,YEALINK PHONES and SNOM Phones.ONLY COMPATIBLE WITH SOME SPECIFIC PHONE MODELS LISTED IN DESCRIPTION.
  • All functions on headset and phone would function same
  • Convert smartphone headset to 4P4C RJ9/RJ10 plug for office telephones.
  • Please Check the Compatible Phones list before your order.DO NOT BUY THE ITEM IF YOU CAN NOT FIND YOUR PHONE MODEL IN LISTS, CONTACT US FOR ADVICE.
Rank No. #4
AvimaBasics Premium Female 3.5mm OMTP Smartphone Headset to Male RJ9 for Cisco Telephone Plug Adapter Cable - PH35-RJ9 Cisco 9961 7940 7941 7942 8841 8845 9941 (1 Pack)
  • 🌳Convert 3.5mm smartphone headset into single 4P4C RJ9/RJ10 Cisco handset jack
  • 🌳Works great with Cisco VOIP office phones with a RJ9 headset jack
  • 🌳(1) 3.5mm TRRS female jack - Cable length 15 Inches (38cm).
  • 🌳DOES NOT work with Apple EarPods or iPhone compatible headphones due to the 3.5mm being OMTP based instead of CTIA
  • 🌳RISK FREE PURCHASE: Satisfying our customers with high quality products is our top priority. That is why this adapter is backed by our 100% money back guarantee policy! In the unlikely event of ever having any issues with it. Get yours with confidence today!
Rank No. #5
SinLoon RJ9 to 3.5mm Telephone Adapter Cable Female RJ9 Headset to Male 3.5mm Cell Phone Adapter - Convert RJ9 Headphone to Smartphones Most Android Cellphone with 3.5mm Headphone Jack(3.5 RJ9)
  • Connector: Gold plated 4Pin 3.5mm headphone JACK;4P4C RJ9 female Adapter.
  • idear for Smartphones or iPhone transfer to headphones.
  • compatible RJ9/RJ10/RJ22 Headset to most smartphones with 3.5mm Headphone Jack.
  • Does not work with RJ11 (which is the size of the phone jack in the wall, larger than headset phone jacks)
  • Note: this headset is not support for CISCO, AVAYA 16XX 96XX,SNOM,Grandstream,Yealink,Panasonic phones.
Rank No. #6
Headset Adapter Cable 3.5mm Smartphone Headset to RJ9/RJ10 Phone Adapter for ONLY Cisco 7940 7970 7960 6900 8900 Series Phones
  • ONLY For Cisco 6921, 6941, 6945, 6961, 7940, 7940G, 7941, 7941G,7942G, 7945, 7945G, 7960, 7960G, 7961, 7961G, 7965G, 7970G, 7971G, 7975G, 7985G 8941, 8945, 8961, 9951, 9971 IP Phones.
  • All functions on headset and phone would function same
  • Convert smartphone headset to 4P4C RJ9/RJ10 plug for office telephones.
  • Please Check the Compatible Phones list before your order.DO NOT BUY THE ITEM IF YOU CAN¡¯T FIND YOUR PHONE MODEL IN LISTS, CONTACT US FOR ADVICE
Rank No. #7
Poyiccot RJ9 to 3.5mm Adapter, RJ9 Male to Dual 3.5mm Female Headphone Adapter for Telephone Audio Adapter Headset Buddy Cable for Office RJ9 Headphone
  • 3.5mm Female to RJ9 Cable,Convert two 3.5mm plugs to single 4P4C RJ9/RJ10 headset plug, you can use your own headphone to chat on telephone with this cable.
  • Use PC Headset with most VOIP phones that have a RJ9/RJ10/RJ22 headset jack. (Not compatible with RJ11)
  • Adapter cable with dual 3.5mm PC Headset jack to RJ9 Desk Phones Jack. Note:the 3.5mm adapter is trrs port.
  • You can use your own headphone to chat on telephone with this cable.
  • Note: It can not work with 2 in 1 integrated headset.
Rank No. #8
Onvian RJ9 Male to 3.5mm Female Plug Headset Jack Phone Audio Adapter Cable
  • Using your own headphones to chat on telephone with this cable.
  • Use PC Headset with most VOIP phone that have a RJ9/RJ10/RJ22 headset jack. (Not compatible with RJ11)
  • Adapter cable with dual 3.5mm PC Headset jack to RJ9 Desk Phones Jack for Avaya, Cisco.
  • Due to power and impedance general computer headset is relatively low, compared to the effect of professional telephone headset there is a gap. The pursuit of high-quality effects pro professional products recommended to choose better Since the phone is not unified production standards, this product is not available for all brands phone. (compatible with about 90% telephone)
  • Notification: It can not work with 2 in 1 integrated headset.
Rank No. #9
Smartphone 3.5mm Jack to RJ9/RJ10 Plug for ONLY Cisco IP Phones Adapter Cable
  • 3.5mm TRRS female jack.
  • Comes with Universal 3.5mm OMTP to CTIA Earphone Converter Adapter. Do not worry the incompatibility.
  • Use your existing iPhone/ iPad, or similar TRRS headset with your Cisco-based phone.
  • ONLY FOR CISCO 6921, 6941, 6945, 6961, 7940, 7940G, 7941, 7941G,7942G, 7945, 7945G, 7960, 7960G, 7961, 7961G, 7965G, 7970G, 7971G, 7975G, 7985G 8941, 8945, 8961, 9951, 9971 IP Phones.
  • Not FOR Cisco 7902, 7905, 7910, 7911, 7912, 7920, 7921 Phones.
Rank No. #10
Adapter Converter Mobile Smartphone iPhone Samsung Headset Headphone 3.5MM 2MM CTIA Plug to RJ9/RJ10/RJ12 4P4C Plug for Most Office IP Telephones Cisco Avaya + Microphone Channel Settings
  • Converter from mobile smartphone like iPhone Samsung headset headphone to work with most IP telephone like Avaya Cisco Polycom Nortel and more
  • Either the headset has a 3.5mm or 2.5mm plug CTIA standard, most headsets in USA are CITA standard ( will not work with OMTP standard )
  • Compatible with most brand + model telephone with the included microphone channel setting adapter to work with different brand model IP telephone, change from channel 1 to 8 and will find a channel compatable with your telephone
  • Also included a 3.5mm converter to 2.5mm plug, CTIA standard. SEE INSTRUCTIONS HOW TO USE IN PICTURE.
  • Compatible with most IP telephone like Cisco Avaya Mitel Polycom Nortel and more with a standard CTIA 3.5mm or 2.5mm plug headset headphone. SEE INSTRUCTIONS HOW TO USE IN PICTURE.

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