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The Best Rj9 To 3.5Mm Adapter of 2023 – Reviewed and Top Rated

2,422 Reviews Scanned

Rank No. #1
VoiceJoy Standard 3.5mm Jack Smartphone Headset Adapter Cable Converter to RJ9 Plug for Cisco Unified Office Telephone 7970 7940 7941 7942 7971 etc
  • 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.
  • ONLY COMPATIBLE WITH Cisco Unified IP Phones: 7931G 7940 7940G 7941 7941G 7942 7942G 7945 7945G 7960 7960G 7961 7961G 7962 7962G 7965 7965G 7970 7970G 7971 7971G 7975 7975G 6921 6941 6945 6961 7821 7841 7861 8811 8841 8851 8861 8941 8945 8961 9951 9971 and Plantronics Amplifier: M10 M12 M22 & MX10 Vista Modular Adapters
  • BUY THE ITEM TODAY IF YOU HAVE ONE OF THE PHONE OR AMPLIFIER MODELS LISTED ABOVE. NOT COMAPTIBLE WITH CISCO SPA SERIES
Rank No. #2
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. #3
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 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,Plantronic phones.
Rank No. #4
XMSJSIY RJ9 to 3.5mm Headsets Adapter Telephone Phones MIC Audio Splitter Adapter Cable RJ9 4P4C Male to 3.5mm Jack Headphone Microphone Audio Cable - 27CM/10inch
  • RJ9 to 3.5mm stereo audio cable works with PC headphones and most VOIP phones with RJ9/RJ10/RJ22 headphone jack. The 3.5mm jack is divided into two sockets for speakers and microphones
  • The adapter cable of the RJ9 desktop phone jack with dual 3.5mm audio cable computer headphone jack cannot be used with 2-in-1 integrated headphones
  • RJ9 to dual 3.5mm conversion cable can be connected to the headphone jack with RJ9 module socket, which is not compatible with the RJ11 wall phone jack
  • Computer headphone to phone headphone dual 3.5mm audio female socket to RJ9 module male headphone converter, computer headphone to phone headphone signal transmission is more stable, making it convenient to chat on the phone with your own headphones
  • 4P4C RJ9 headphone cable up to 3.5mm is suitable for offices, call centers, business meetings, home businesses, or for those who frequently use PC headphones
SaleRank No. #5
SinLoon RJ9 Male to 3.5mm Telephone Adapter Cable, RJ9 Headset to Male 3.5mm Cell Phone Adapter - Convert RJ9 Headphone to Smartphones Most Android Cellphone with 3.5mm Headphone Jack(RJ9 Male)
  • Connector: Gold plated 4Pin 3.5mm headphone JACK;4P4C RJ9 male Adapter.
  • Idear for Smartphones or 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
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. #7
VoiceJoy Smartphone 3.5mm Jack to RJ9/RJ10 Plug for ONLY Cisco IP Phones Adapter Cable
  • 3.5mm TRRS female jack.
  • ONLY for Cisco IP phones.
  • 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. #8
VoiceJoy 3.5mm Smartphone Headset Adapter to RJ9/RJ10/RJ12 4P4C Plug for Avaya 2400 4600 Series,Nortel,Simense etc.Headset/Handset Plug to iPhone iPad Headset 3.5MM TRRS Plug
  • NOT COMPATIBLE WITH AVAYA 1600 9600 SERIES,CISCO PHONES,YEALINK PHONES and SNOM Phones.ONLY COMPATIBLE WITH SOME SPECIFIC PHONE MODELS LISTED IN DESCRIPTION.
  • All functions on headset and phone would function same
  • Easy Setup, Plug and Play
  • Convert 4P4C RJ9/RJ10 headset/handset plug To iPhone/iPod Headset 3.5mm Plug
  • 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. #9
VoiceJoy Headset Adapter Converter 3.5mm Plug to Female RJ9/RJ10 Headset/Handset Plug for Most Office Phones
  • NOT COMPATIBLE WITH AVAYA ,CISCO,YEALINK Grandsteam PHONES and SNOM Phones.
  • ONLY COMPATIBLE WITH SOME SPECIFIC PHONE MODELS LISTED IN DESCRIPTION.
  • 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. #10
Yuly 3.5mm Phone Headset to RJ9 Adapter Cable 3.5mm Plug to Female RJ9 Cable Call Centers Adapter Cable ‎Auxiliary Wire Phone Adapter
  • Light weight and strong design;
  • 3.55mm earphone to RJ9 phone adapter;
  • Easy Setup, Plug and Use;
  • Save money by buying a smartphones headset, or using your existing one with your phone handset
  • Great for home businesses, offices, call centers, and more;
Rank No. #11
GINTOOYUN 2 Pcs RJ9 to 3.5mm Audio Jack Cisco Telephone Cable RJ9 4P4C to 3.5mm Audio Male Plug Fixed Cisco Telephone Cable for Fixing Telephone Sets,Earphones,etc(32.6Inch)
  • As a telephone customer service, you are often tired when you answer the phone with your mobile phone. Because there are many conversations for a long time, this conversion cable is very convenient. During the call, you can reply to the message. Save time and do more things
  • Cisco dedicated: This telephone line is a Cisco dedicated telephone line. It is recommended to use this cable on Cisco's telephone as much as possible
  • Connector 1: RJ9 male; Connector 2: 3.5mm audio male plug; Quantity: 2 pieces; Cable length: 83cm/32.6 inches (note: including plug length)
  • This cable can save money for people who work at home, call centers, sales representatives, or often use telephones, and want to use low-cost or more comfortable computer headphones
  • Note: Due to the low power and impedance of ordinary computer headphones, compared with professional phone headphones, there is a certain gap. The pursuit of high quality results, it is recommended to choose professional products. The product is not suitable for all brands of phones (about 90% are compatible with phones) due to inconsistent manufacturing standards
Rank No. #12
Earsinger Headset Adapter Converter Standard Female RJ9 to 3.5mm Plug Handset/Headset Plug for Ciscoo Office Telephone and Plantronicss Amplifier: M10 M12 M22 & MX10 Vista Modular Adapters(1 Pack)
  • ★[3.5mm to RJ9 adapter]: 3.5 to rj9 adapter 3.5mm Headphone Converter to Office Telephone IP Phones ★[RJ9 To 3.5mm]:This headphone headset jack adapter will allow you to use your smartphone, gaming and PC / laptop headsets with 3.5mm plugs on your Ciscoo telephones.
  • ★[Compatible with Ciscoo VOIP office phone]: Headset Adapter Converter 3.5mm Plug to Female RJ9/RJ10 Headset/Handset Plug for Most Office Phones
  • ★[Compatibility]: ONLY COMPATIBLE WITH Ciscoo Unified IP Phones: 7931G 7940 7940G 7941 7941G 7942 7942G 7945 7945G 7960 7960G 7961 7961G 7962 7962G 7965 7965G 7970 7970G 7971 7971G 7975 7975G 6921 6941 6945 6961 7821 7841 7861 8811 8841 8851 8861 8941 8945 8961 9951 9971 and Plantronicss Amplifier0: M10 M12 M22 & MX10 Vista0 Modular Adapters
  • ★[Note]: DOES NOT work with Applee EarPods or iPhonee compatible headphones due to the 3.5mm being OMTP0 based instead of 0CTIA0
  • ★[IMPORTANT]: This cable is compatible only with the Ciscoo specified in above model, please kindly check and confirm before buying.
Rank No. #13
Earsinger RJ9 to 3.5mm Telephone Adapter Cable Female RJ9 Headset to Male 3.5mm Cell Phone Adapter Convert RJ9 Headphone to Smartphones Most Android0 Cellphone with 3.5mm Headphone Jack
  • ★[Connector]: 3.5 RJ9 Gold plated 4Pin 3.5mm headphone jack 4P4C RJ9 female Adapter
  • ★[Smartphone to headphones]: This adapter cable makes it possible to connect your smartphone transfer to the headphones, freeing your hands.
  • ★[Compatibility]: Our 3.5P-RJ9 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)
  • ★[IMPORTANT NOTE]: Mentioned headset is not support for CISCO0, AVAYA0 16XX 96XX, SNOM0, Grandstream0,Yealink0,Panasonicc phones.
  • ★[Customer Service Online]: To save your time and avoid mismatches, please make sure that your phone port is compatible with this adapter before purchasing. Welcome to contact our customer service before ordering.
Rank No. #14
Psdndeww 3.5mm Phone to RJ9 Adapter Cable 3.5mm Plug to Female RJ9 Cable Call Centers Adapter Cable ‎Auxiliary Wire
  • Save money by buying a smartphones or using your existing with your phone handset
  • Light weight and strong
  • Easy Setup, Plug and Use;
  • Great for home businesses, offices, call centers, and more;
  • 3.55mm earphone to RJ9 phone adapter;
Rank No. #15
QIANRENON RJ9 to 3.5mm Telephone Adapter Cable, RJ9 4P4C Female to 3.5mm Dual Male Headphone Stereo Telephone Splitter Cable for PC&Telephone Headset Conversion
  • This RJ9 Female to 3.5mm Dual Male Stereo Plug Adapter can convert 4P4C RJ9/RJ10/RJ22 headset to dual 3.5mm plug for computer: one 3.5mm plug is for Speaker, the other one is for Microphone.
  • Female RJ9 to Male 2 pcs 3.5mm plug headset adapter. Save money by using your existing RJ headset to work with your PC.
  • If your RJ headset is compatible with one of the phone models listed below, then this adapter can help convert to work with your 3.2 mm jack cell phones.Otherwise don't buy it.
  • Use PC Headset with most VOIP phones that have a RJ9/RJ10/RJ22 headset jack. (Not compatible with RJ11)
  • Does not work with RJ11 (which is the size of the phone jack in the wall, larger than headset phone jacks)
Rank No. #16
BSHTU 4P4C RJ9/RJ10 to 3.5mm Female Adapter Cable Stereo Converter Telephone Cord for Cisco IP Phones 7931G 7940 7941 7942 MX10 Vista Modular Adaptors
  • 4P4C RJ9/RJ10 male plug to 3.5mm TRRS female jack headset adapter cable for most VOIP phones that have a RJ9/RJ10/RJ22 headset jack (Not compatible with RJ11), like Avaya, Cisco Office Phone and more
  • RJ9 to 3.5mm Headset cable convert 3.5mm smartphone plug to single 4P4C RJ9 or RJ10 handset plug. NOT COMPATIBLE WITH Headset, but get great quality stereo sound from headset via this adapter
  • 3.5mm TRRS female jack to 4P4C male plug compatible with Cisco Unified IP Phones 7931G 7940 7940G 7941 7941G 7942 7942G 7945 7945G 7960 7960G 7961 7961G 7962 7962G 7965 7965G 7970 7970G 7971 7971G 7975 7975G 6921 6941 6945 6961 7821 7841 7861 8811 8841 8851 8861 8941 8945 8961 9951 9971 and Amplifier M10 M12 M22 & MX10 Vista modular adaptors
  • 4P4C RJ9 telephone connector color : RJ9 female adapter gray, wire cable leads color:green, red, yellow, black; Dimension : adapter head: 17 x 11 x 10mm/ 0.57" x 0.43" x 0.4"(LxWxT)
  • 4P4C RJ10 headset cable, 616E 4P4C RJ9 female telephone connector adapter with 4 Wires welding cable, great for home, businesses, offices, call centers, and more. Don't need to worry about the compatibility. 3 converters of different standard inside to fit most brand. Choose the right one easily
Rank No. #17
PIIHUSW Headset Buddy RJ9 4P4C Female to 3.5mm Male Cell Phone Adapter Cable for Cisco, Avaya Telephone 40cm
  • The RJ9 to 3.5mm Headset Adapter Extension Cables are used for the transfer for CISCO telephone.
  • Connectors: 3.5mm TRRS male AUX to 4P4C RJ9 telephone Female. The 3.5mm Plug is Gold-plated to ensure the excellent headphone cable quality.
  • Through 3.5mm to RJ9 converter transfer, you can use the RJ9 interface to transfer the home phone microphone to the mobile phone.
  • Extension Cable Adapter 3.5mm Male Jack to RJ9, RJ1, RJ22 4P4C Headset Converter Wire for Cisco Telephone
  • Cable length: About 40cm/15.74'' (including connector length). Interface: 3.5mm TRRS male, RJ9 4P4C telephone interface female.
Rank No. #18
Earsinger RJ9 Male to 3.5mm Female Plug Headset Jack Phone Audio Adapter Cable Not Compatible with RJ11
  • ★[Dual 3.5mm PC Headset Jack]: Adapter cable with dual 3.5mm PC Headset jack to RJ9 Desk Phones Jack for Avaya, Cisco. This cable only support TRS jack, cable can not work with 2 in 1 integrated headset.
  • ★[3.5mm Female to RJ9 Cable]: Please use PC Headset compatible with most VOIP phone that have a RJ9/RJ10/RJ22 headset jack. DO NOT compatible with RJ11.
  • ★[Rj9 to 3.5mm adapterPortable Length]: The length is only 10.6 inches, making signal transmission more stable.
  • ★[Not For RJ11]: Not Compatible With RJ11.
  • ★[Customer Service Online]: To save your time and avoid mismatches, please make sure that your phone port is compatible with this adapter before purchasing. Welcome to contact our customer service before ordering.
Rank No. #20
VoiceJoy 3.5mm Cell Phone Headset to RJ9 Adapter Cable -ONLY Compatible with Yealink SIP-T19P T20P T21P T22P T26P T28P etc
  • Convert 3.5mm Smartphone plug to single 4P4C RJ9/RJ10 handset plug.
  • 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

Last update on 2024-07-25 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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