Internet Explorer will soon be unsupported on this site. Please upgrade to a newer browser to continue using our site.

iPhone Telephone Adapter - 3.5mm TRRS Female to RJ9 Male - 6 IN

Use your 3.5mm iPhone headset with a telephone.
81 % of 100
Quantity Discount Pricing
1-9 10-49 50-99 100-249 250+
$13.59 $12.99 $12.19 $11.59 $10.59

The ShowMeCables iPhone telephone adapter is a great solution for using your 3.5mm iPhone headset with any standard telephone.


  • Connector A: 3.5mm 4 conductor (TRRS) jack (female)
  • Connector B: RJ9 male, 4 conductor 4 position
  • Length: 6 inches
  • Plug and play

International Orders:

  • International Buyers: Flat Rate International Shipping is available for this item. $40 for 1-10 pieces
  • International orders require PayPal or a Bank Transfer  

Incompatible Phones:

  • Avaya 2410, 9620L
  • Polycom
  • Nortel 1140T,
  • Nortel Visa 350
  • Uniden Dect2088, TRU9496

prop 65 warningWARNING: This product can expose you to chemicals including phthalates, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to

Write Your Own Review
You're reviewing:iPhone Telephone Adapter - 3.5mm TRRS Female to RJ9 Male - 6 IN
Your Rating

Product Questions

Will this allow me to use iphone headphones to listen and speak through NEC landline phone?
Question by: dustin on Feb 26, 2019, 10:02 AM
Yes, that will work.
Answer by: Jeff - ProductManagement on Feb 26, 2019, 10:27 AM


  • Plug: Male Connector


  • Jack: Female Connector


  • TS: 2 Conductor Mono TS (Tip Sleeve)


  • TRS: 3 Conductor Stereo TRS (Tip Ring Sleeve)


  • TRRS: 4 Conductor TRRS (Tip Ring Ring Sleeve)

Q: What kind of cable would I need to connect my MP3 player, iPod, or other device to an auxiliary port?

A: You would need a 3.5mm Stereo audio cable.

Q: I want to extend the length of my headphones or existing audio cable. How would I do this?

A: The best way to accomplish this would be to use a 3.5mm extension cable

Q: I want to connect my 3.5mm device to a receiver or TV, but it only has RCA jacks What should I do.

A: You can use a 3.5mm to RCA adapter cable to make this connection