![Amazon.com: Feanteek USB to RJ9 Cable for NexStar HC(Hand Controller) with RJ9 Port, USB Control Cable Compatible for NexStar 8SE 6SE (1.8 Meters), 6FT : Electronics Amazon.com: Feanteek USB to RJ9 Cable for NexStar HC(Hand Controller) with RJ9 Port, USB Control Cable Compatible for NexStar 8SE 6SE (1.8 Meters), 6FT : Electronics](https://m.media-amazon.com/images/I/516WOM9YZqL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Feanteek USB to RJ9 Cable for NexStar HC(Hand Controller) with RJ9 Port, USB Control Cable Compatible for NexStar 8SE 6SE (1.8 Meters), 6FT : Electronics
![Amazon.com: MAIRDI Telephone Headset for Multiple Devices, with RJ9 and 3.5mm Jacks for Landline Deskphone Cell Phone PC Laptop, Office Headset with Microphone for Cisco Phone Call Center Customer Service : Electronics Amazon.com: MAIRDI Telephone Headset for Multiple Devices, with RJ9 and 3.5mm Jacks for Landline Deskphone Cell Phone PC Laptop, Office Headset with Microphone for Cisco Phone Call Center Customer Service : Electronics](https://images-na.ssl-images-amazon.com/images/I/61uwc+TruAL._AC_UL600_SR600,600_.jpg)
Amazon.com: MAIRDI Telephone Headset for Multiple Devices, with RJ9 and 3.5mm Jacks for Landline Deskphone Cell Phone PC Laptop, Office Headset with Microphone for Cisco Phone Call Center Customer Service : Electronics
![Amazon.com: VoiceJoy Female RJ9/RJ22 Headset to Male 3.5mm Mobile Phone Adapter - Convert RJ9 Headphone to Cell Phone & Most Android Phones with 3.5mm Jack : Electronics Amazon.com: VoiceJoy Female RJ9/RJ22 Headset to Male 3.5mm Mobile Phone Adapter - Convert RJ9 Headphone to Cell Phone & Most Android Phones with 3.5mm Jack : Electronics](https://images-na.ssl-images-amazon.com/images/I/619OgmYCNVL._AC_UL600_SR600,600_.jpg)
Amazon.com: VoiceJoy Female RJ9/RJ22 Headset to Male 3.5mm Mobile Phone Adapter - Convert RJ9 Headphone to Cell Phone & Most Android Phones with 3.5mm Jack : Electronics
![Amazon.com: Telephone RJ9 4P4C Training Adapter Y Splitter for Headset or Handset Splitter for Office Phones : Electronics Amazon.com: Telephone RJ9 4P4C Training Adapter Y Splitter for Headset or Handset Splitter for Office Phones : Electronics](https://m.media-amazon.com/images/I/61e0eA6871L.jpg)
Amazon.com: Telephone RJ9 4P4C Training Adapter Y Splitter for Headset or Handset Splitter for Office Phones : Electronics
![100 Pcs Telephone Single Port Rj11 Rj10 Rj9 Jack Modular Connector 4p4c Right Angle Through Hole Pcb Solder Unshielded - Connectors - AliExpress 100 Pcs Telephone Single Port Rj11 Rj10 Rj9 Jack Modular Connector 4p4c Right Angle Through Hole Pcb Solder Unshielded - Connectors - AliExpress](https://ae01.alicdn.com/kf/Ha468e326d8564167a44f31c3604fd84aP/100-pcs-Telephone-Single-Port-RJ11-RJ10-RJ9-Jack-Modular-Connector-4P4C-Right-Angle-Through-Hole.jpg)
100 Pcs Telephone Single Port Rj11 Rj10 Rj9 Jack Modular Connector 4p4c Right Angle Through Hole Pcb Solder Unshielded - Connectors - AliExpress
![Rj9 Headset Adapter Extension Cord Universal Rj9 Adaptor Phone Line Adapter Connect Rj9 Headset to Desk Phones with Different Wiring Code Rj9 Port - China Adapter, Call Center Headset | Made-in-China.com Rj9 Headset Adapter Extension Cord Universal Rj9 Adaptor Phone Line Adapter Connect Rj9 Headset to Desk Phones with Different Wiring Code Rj9 Port - China Adapter, Call Center Headset | Made-in-China.com](https://image.made-in-china.com/2f0j00zGjcfBORbKkr/Rj9-Headset-Adapter-Extension-Cord-Universal-Rj9-Adaptor-Phone-Line-Adapter-Connect-Rj9-Headset-to-Desk-Phones-with-Different-Wiring-Code-Rj9-Port.webp)
Rj9 Headset Adapter Extension Cord Universal Rj9 Adaptor Phone Line Adapter Connect Rj9 Headset to Desk Phones with Different Wiring Code Rj9 Port - China Adapter, Call Center Headset | Made-in-China.com
Call Center Hands-Free Noise Cancelling Corded Monaural Headset Headphone for Desk Telephone with 4-Pin RJ9 Crystal Head | Oriental Trading
![RJ9/RJ11 Phone Jack Compatible Headset for Office Phone - HeadsetPlus.com Plantronics, Jabra Headset Blog RJ9/RJ11 Phone Jack Compatible Headset for Office Phone - HeadsetPlus.com Plantronics, Jabra Headset Blog](https://headsetplus.com/blog/wp-content/uploads/2016/09/headset_jack.jpg)
RJ9/RJ11 Phone Jack Compatible Headset for Office Phone - HeadsetPlus.com Plantronics, Jabra Headset Blog
![Amazon.com: VoiceJoy Female RJ9/RJ22 Headset to Male 3.5mm Cell Phone Adapter - Convert RJ9 Headphone to Mobile Phones Most Android Smartphones with 3.5mm Jack : Electronics Amazon.com: VoiceJoy Female RJ9/RJ22 Headset to Male 3.5mm Cell Phone Adapter - Convert RJ9 Headphone to Mobile Phones Most Android Smartphones with 3.5mm Jack : Electronics](https://m.media-amazon.com/images/I/61n4psFR6TL._AC_UF894,1000_QL80_.jpg)
Amazon.com: VoiceJoy Female RJ9/RJ22 Headset to Male 3.5mm Cell Phone Adapter - Convert RJ9 Headphone to Mobile Phones Most Android Smartphones with 3.5mm Jack : Electronics
![2x RJ9 To 2 Port 3.5mm Female Jack headset Adapter Cable for Telephone Headset to CISCO _ - AliExpress Mobile 2x RJ9 To 2 Port 3.5mm Female Jack headset Adapter Cable for Telephone Headset to CISCO _ - AliExpress Mobile](https://ae01.alicdn.com/kf/HLB1R_gsXsfrK1Rjy0Fmq6xhEXXaW/2x-RJ9-To-2-Port-3-5mm-Female-Jack-headset-Adapter-Cable-for-Telephone-Headset-to.jpg)
2x RJ9 To 2 Port 3.5mm Female Jack headset Adapter Cable for Telephone Headset to CISCO _ - AliExpress Mobile
![Amazon.com: VoiceJoy RJ9 Headset Adapter Extension Cable- Female 4P4C to Male 4P4C Cable, not RJ11/RJ12, for Plantronics, Jabra, & Hot Desking Office Phones : Electronics Amazon.com: VoiceJoy RJ9 Headset Adapter Extension Cable- Female 4P4C to Male 4P4C Cable, not RJ11/RJ12, for Plantronics, Jabra, & Hot Desking Office Phones : Electronics](https://m.media-amazon.com/images/I/61A9jD5GjOL.jpg)
Amazon.com: VoiceJoy RJ9 Headset Adapter Extension Cable- Female 4P4C to Male 4P4C Cable, not RJ11/RJ12, for Plantronics, Jabra, & Hot Desking Office Phones : Electronics
![Amazon.com: MAIRDI Telephone Headset with RJ9 Jack & 3.5mm Connector for Landline Deskphone Cell Phone PC Laptop, Office Headset with Microphone for Call Center, Work for Cisco Phone 7941 7965 6941 7861 8811 : Electronics Amazon.com: MAIRDI Telephone Headset with RJ9 Jack & 3.5mm Connector for Landline Deskphone Cell Phone PC Laptop, Office Headset with Microphone for Call Center, Work for Cisco Phone 7941 7965 6941 7861 8811 : Electronics](https://m.media-amazon.com/images/I/61U87UBRLBL.jpg)
Amazon.com: MAIRDI Telephone Headset with RJ9 Jack & 3.5mm Connector for Landline Deskphone Cell Phone PC Laptop, Office Headset with Microphone for Call Center, Work for Cisco Phone 7941 7965 6941 7861 8811 : Electronics
![Male RJ9 Plug to Female USB Type A Headset Adapter Compatible with Plantronics Jabra Sennheiser Wired Male RJ9 Plug to Female USB Type A Headset Adapter Compatible with Plantronics Jabra Sennheiser Wired](https://img1.wsimg.com/isteam/ip/ef2639c8-69e8-4fb6-b104-8c1a6b6bff0e/ols/2.jpg/:/rs=w:1200,h:1200)
Male RJ9 Plug to Female USB Type A Headset Adapter Compatible with Plantronics Jabra Sennheiser Wired
![Amazon.com: Sennehsier USB-RJ9 01 Headset Connection Cable: RJ9 4/4 Plug - USB plug, for Direct Connection with an UI-Box at USB port of your Computer : Electronics Amazon.com: Sennehsier USB-RJ9 01 Headset Connection Cable: RJ9 4/4 Plug - USB plug, for Direct Connection with an UI-Box at USB port of your Computer : Electronics](https://m.media-amazon.com/images/I/51COEm2zIfL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Sennehsier USB-RJ9 01 Headset Connection Cable: RJ9 4/4 Plug - USB plug, for Direct Connection with an UI-Box at USB port of your Computer : Electronics
![RJ9 4P4C Male to Dual Female Ports Connector Telephone Adapter Cable Wire Extension Cable: Amazon.com: Industrial & Scientific RJ9 4P4C Male to Dual Female Ports Connector Telephone Adapter Cable Wire Extension Cable: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/41VIV9pkoDL.jpg)
RJ9 4P4C Male to Dual Female Ports Connector Telephone Adapter Cable Wire Extension Cable: Amazon.com: Industrial & Scientific
![Rj9 Headset Adapter With 8 Circuit Lines Switch For Most Regular Ordinary Telephones Or Digital Telephones - Earphone Accessories - AliExpress Rj9 Headset Adapter With 8 Circuit Lines Switch For Most Regular Ordinary Telephones Or Digital Telephones - Earphone Accessories - AliExpress](https://ae01.alicdn.com/kf/HTB1vnEISXXXXXXfXFXXq6xXFXXXX/RJ9-Headset-Adapter-with-8-Circuit-Lines-Switch-for-Most-Regular-Ordinary-Telephones-or-Digital-Telephones.jpg)
Rj9 Headset Adapter With 8 Circuit Lines Switch For Most Regular Ordinary Telephones Or Digital Telephones - Earphone Accessories - AliExpress
![Amazon.com: 4P4C RJ9/RJ10 to 3.5mm Female Headset Adapter Cable Stereo Converter Telephone Cord for Cisco IP Phones 7931G 7940 7941 7942 MX10 Vista Modular 30CM : Tools & Home Improvement Amazon.com: 4P4C RJ9/RJ10 to 3.5mm Female Headset Adapter Cable Stereo Converter Telephone Cord for Cisco IP Phones 7931G 7940 7941 7942 MX10 Vista Modular 30CM : Tools & Home Improvement](https://m.media-amazon.com/images/I/61zsZmhDiwL.jpg)