Phone connector (audio) (English Wikipedia)

"Jays AB headset for Windows Phone and a note on headset standards". Allaboutwindowsphone.com. Retrieved 26 March 2017.
Jays AB headset for Windows Phone and a note on headset standards – "Nokia's Windows Phone 8 devices (Nokia Lumia 520, 521, 620, 720, 810, 820, 822, 920, 925, and 928) use a new universal connector, enabling the use of both AHJ and OMTP headsets."

americanradiohistory.com

Chinn, Howard (July 1947). "Single Jacks for Broadcast Application" (PDF). Audio Engineering. 31 (6).

android.com

source.android.com

"3.5 mm Headset: Accessory Specification". Android Open Source Project. Retrieved 2019-06-15.
"3.5 mm Headset Jack: Device Specification". Android Open Source Project.

apple.com

discussionschinese.apple.com

"IPhone国行耳机不兼容问题 – Apple 社区". discussionschinese.apple.com. Retrieved 2020-04-24.

appleinsider.com

"Seven years later, Apple was right to kill off the 3.5mm headphone jack". Retrieved 2025-01-24.
"Seven years later, Apple was right to kill off the 3.5mm headphone jack". Apple Insider. 2022-08-17. Archived from the original on 2023-11-23. Retrieved 2023-12-15.

archive.org

International Library of Technology: ... Principles of Telephony ... International Textbook Company, Scranton, PA. 1907. p. 36. tip ring sleeve 0–1922.

argentdata.com

wiki.argentdata.com

"Radio Wiring – ArgentWiki". wiki.argentdata.com. Retrieved 2020-05-29.

asme.org

catalog.asme.org

Reference Designations for Electrical and Electronics Parts and Equipment: ASME Y14.44-2008 (Replaced IEEE 200-1975): Section 2.1.5.3. ASME, Fairfield, NJ. 2008. Archived from the original on 2010-03-13.

audio-technica.com

"Frequently Asked Questions". Retrieved 2012-05-28.

books.google.com

Gary D. Davis and Ralph Jones (1989). The Sound Reinforcement Handbook. Hal Leonard. ISBN 0-88188-900-8.
Robert McLeish (2005). Radio Production. Newnes. ISBN 0-240-51972-8.
- Lewallen, Dale (1993). This Old PC. Ziff-Davis Press. p. 362. ISBN 978-1-56276-108-0. Retrieved September 8, 2016. Remember that sound cards use the smaller 1/8-inch mini-phono plug...
- Chapuis, Robert J. (2003). 100 Years of Telephone Switching. Amsterdam, the Netherlands: IOS Press. p. 51. ISBN 9784274906114.
- Gibson, Bill. (2007) The Ultimate Live Sound Operator's Handbook, p. 202. Hal Leonard Corporation. ISBN 1-4234-1971-5
- Ranjan Parekh; Ranjan (2006). Principles of Multimedia. Tata McGraw-Hill Education. pp. 225–. ISBN 978-0-07-058833-2.

bose.com

assets.bose.com

"Bose A20 Aviation Headset Owner's Guide" (PDF). 2022. Retrieved 5 March 2023.

cablechick.com.au

"Understanding TRRS and Audio Jacks – Cable Chick Blog". Cable Chick. Archived from the original on 2023-11-06. Retrieved 2023-12-15.
www.cablechick.com.au. "Understanding TRRS and Audio Jacks – Cable Chick Blog". www.cablechick.com.au. Retrieved 16 August 2018.

carlsonmfg.com

"MIL-DTL-642/5B". 3 March 2021.

casa.co.nz

"Type 671 datasheet" (PDF). Retrieved 5 March 2023.

cbc.ca

"All-right jack: Simple but effective plug-in has endured for more than a century". Retrieved 2016-09-11.

cnet.com

"Asus ZenBook 13 (2020) review: This small laptop makes a big impression". CNET. Retrieved 2024-07-13.

connecticuthistory.org

"First Commercial Telephone Exchange – Today in History: January 28". 28 January 2020.

cuidevices.com

3.5 mm Stereo Plug, CUI Devices, retrieved 2021-09-01
"Waterproof Audio Jacks – IP67 Rated Stereo Connectors". CUI Devices. Archived from the original on 2023-03-29. Retrieved 2023-12-15.
Smoot, Ryan. "Understanding Audio Jack Switches and Schematics". CUI Devices. Archived from the original on 2023-04-01. Retrieved 2023-06-07.

datavisualexpert.com

admin (2021-12-25). "Understanding Trs Jack Wiring: A Comprehensive Guide". Data Visual Expert. Retrieved 2025-05-02.

dbxpro.com

"dbx 166XL compressor with balanced TRS tip send input and output jacks and one TRS ring send sidechain jack".

digikey.com

- "Barrel – Audio Connectors". Digi-Key catalog.

digital-silence.com

Digital Silence (earphone manufacturer): explanation of TRRS connectors and availability of adapter.

digitalmedianet.com

macaudiopro.digitalmedianet.com

"Questions Answered 4: Optical Output on the Mac".^{[permanent dead link]}

dla.mil

landandmaritimeapps.dla.mil

"MIL-DTL-642F: Plugs, Telephone, and Accessory Screws" (PDF).

etler.com

"Chapter 3 Local Manual Systems" (PDF).

fullcompass.com

"Switchcraft Z15J 1/4" High Power Speaker Jack". Full Compass. Retrieved October 24, 2011. High power 2-conductor speaker jack carries 15A (continuous) audio speaker current levels.

gearit.com

"TS vs TRS Cables: What's the Difference?". GEARit. GoDirectInc.com Inc. Archived from the original on 2024-12-11. Retrieved 11 December 2024.

google.com

Standard Reference Designations for Electrical and Electronics Parts and Equipments: IEEE 200-1975 (Reaffirmed 1988): Section 4.1.5.3. IEEE and ANSI, New York, NY. 1975.

grandstream.com

blog.grandstream.com

"Grandstream Blog". Retrieved 2023-03-05.

head-fi.org

"Xiaomi In-Ear Headphones Pro HD (2 +1 Hybrid)". Headphone Reviews and Discussion - Head-Fi.org. 11 November 2016. Retrieved 2020-04-24.

headphonefactory.net

"Linx:What is your mobile phone headset jack standard: OMTP or CTIA?-Headset OEM|Earphone Factory|Headphone Supplier —China LINX CO,.LTD". www.headphonefactory.net. Retrieved 2020-04-24. In order to fit the Chinese national conditions, Apple China released Earpods with some changes, specifically for the Chinese market, to make it in line with the Chinese domestic OMTP standard. ... Therefore, iPhone original headsets sold in China are different from Earpods sold in other regions.

hobby-hour.com

"Computer microphones". Retrieved 2021-12-11.

itu.int

"ITU-T Work Programme". Retrieved 26 March 2017.

jeita.or.jp

"RC-5325A". www.jeita.or.jp.

jesusreigns.co.uk

"Diagrams" (PDF). Retrieved 2012-05-28.

lhlabs.com

support.lhlabs.com

"Geek Out V2+ User Manual".

longtailproducts.com

help.longtailproducts.com

"Smartphone Headset Standards: Apple iPhone, AHJ (CTIA), & OMTP". Headset Buddy Help. Retrieved 2020-04-24.
"Smartphone Headset Standards: Apple iPhone, AHJ (CTIA), & OMTP". Retrieved 15 August 2021.

macrumors.com

forums.macrumors.com

"Which one is the microphone jack?". MacRumors Forums. 19 April 2010.

meelec.com

"MEElectronics – P version headset earphone compatibility". Meelec.com. Archived from the original on 2010-12-27. Retrieved 2013-07-14.

midi.org

"Specification for Use of "TRS" Connectors with MIDI Devices". The MIDI Association. Archived from the original on 2023-07-23. Retrieved 2023-12-13.

mobilefidelity-magazin.de

Sauerborn, Denis (2019-04-12). "Pentaconn – Das steckt hinter der 4,4 Millimeter-Kopfhörerverbindung" [Pentaconn – About the 4.4 millimeter headphone connector]. mobile fidelity magazine (in German). Archived from the original on 2022-05-25. Retrieved 2022-11-28.

neutrik.com

"Neutrik mil-b-gauge-type plugs".

newvision-sherwinpioneers.org

"The Birthplace of the Telephone | Thomas Sherwin Chapter #14". www.newvision-sherwinpioneers.org.

nexus.com

connectors.nexus.com

"Item # TP-101, Telephone Plug". Amphenol NEXUS Technologies. Retrieved 7 March 2023.
"Item # TP-102, Telephone Plug". Amphenol NEXUS Technologies. Retrieved 7 March 2023.
"Item # TP-120, Telephone Plug". Amphenol NEXUS Technologies. Retrieved 7 March 2023.
"Item # TP-105, Telephone Plug". Amphenol NEXUS Technologies. Retrieved 7 March 2023.

nokia.com

FAQ – What type of wired headsets can I use with my Nokia Lumia phone? – "Nokia Lumia 820 and 920 support both American Headset Jack (AHJ) headsets and standard Nokia OMTP headsets."

omtp.org

"Wired Analogue Audio" (PDF). Retrieved 2012-06-01.

patents.google.com

US 489570, Scribner, Charles E., "SPRING-JACK SWITCH", issued 1893-01-10
US 262701, Scribner, Charles E., "CIRCUITS FOR MULTIPLE SWITCH-BOARDS OF TELEPHONE-EXCHANGES", issued 1882-08-15
US 305021, Scribner, Charles E., "MULTIPLE SWITCH-BOARD FOR TELEPHONE-EXCHANGES", issued 1884-09-09
US 711556, Clausen, Henry P., "TELEPHONE SWITCHBOARD-PLUG", issued 1902-10-21

pentaconnglobal.com

"About Us". Pentaconn Global. Subang Jaya, Selangor, Malaysia: Nippon DICS SDN BHD. 2016. Archived from the original on 2022-11-11. Retrieved 2022-11-28.

pinoutguide.com

"Apple iPod Shuffle (2G) USB interface pinout diagram @ pinoutguide.com". pinoutguide.com. Archived from the original on 2024-02-05. Retrieved 2024-02-05.

qrzcq.com

Yaesu FT-60R Technical Supplement (PDF). VERTEX STANDARD CO., LTD. 2005. pp. 10, 13.

qscaudio.com

"Frequently Asked Questions". QSC Audio Products.

qsl.net

"MH-37A4B wiring diagram". www.qsl.net. Retrieved 2020-05-29.

qz.com

"Apple is late, not early, to ditching the headphone jack". Quartz. 2016-09-08. Archived from the original on 2024-01-01. Retrieved 2024-07-12.

rockstockpedals.com

"Wired for Sound: A Musician's Guide to TS and TRS Cables". RockStock. RockStock Pedal Co. Archived from the original on 2024-04-17. Retrieved 11 December 2024.

scaruffi.com

"A History of the Telephone". www.scaruffi.com.

scottbouch.com

"British Aircrew 671-Type Plug / NATO Plug". www.scottbouch.com. Retrieved 5 March 2023.

silentway.com

"Silent Way's recording tricks- Mackie CR-1604 mixer". Silentway.com. Retrieved 2013-07-14.

singtel.com

"Singtel Group, first in the world to launch breakthrough Android 2.1 Samsung Galaxy S". singtel.com. Retrieved 6 October 2019.

sony.net

"Sony history 1960s". Sony official website.

soundonsound.com

"The Low-down On Analogue Interfacing -". www.soundonsound.com. Retrieved 16 August 2018.
"Q. What's wrong with my patchbay? -". www.soundonsound.com.

soundunlocked.com

Collins, Keith. "What Is A TRS Cable? TRS vs TS Cables". Sound Unlocked. Archived from the original on 2024-12-11. Retrieved 11 December 2024.

stackexchange.com

apple.stackexchange.com

"iphone – Why do Chinese EarPods not work with German MacBook Pro?". Ask Different. Retrieved 2020-04-24.

storage.googleapis.com

patentimages.storage.googleapis.com

US 293198, Scribner, Charles E., "Telephone-Switch", issued 1884-02-05

sweetwater.com

Sweetwater (2000-01-13). "Sweetwater inSync". Sweetwater.com. Retrieved 2013-07-14.

switchcraft.com

"Jack Schematics" (PDF). switchcraft.com. Archived from the original (PDF) on 2011-07-17.

techtimes.com

Teodoro, Jeffrey (17 September 2023). "5 Reasons Why the Smartphone Industry Is Trying to Kill the 3.5 Mm Headphone Jack". Tech Times. Tech Times LLC. Archived from the original on 2024-03-13. Retrieved 10 December 2024.

telephonecollectors.info

"Western Electric Telephonic Apparatus and Supplies (1907)".

theatlantic.com

"When Phone Operators Were Unruly Teenage Boys". The Atlantic. 19 September 2014. Retrieved 2017-10-25.

ti.com

"TS3A227E Autonomous Audio Accessory Detection and Configuration Switch".

usb.org

"USB Type-C Cable and Connector Specification Release 2.1". See Audio Adapter Accessory Mode (Appendix A)

usbid.com

smartdata.usbid.com

"Switchcraft Telephone Jack and Telephone Plug Mating Chart" (PDF). Archived from the original (PDF) on 2014-04-13. Retrieved 2013-06-24.

web.archive.org

"Specification for Use of "TRS" Connectors with MIDI Devices". The MIDI Association. Archived from the original on 2023-07-23. Retrieved 2023-12-13.
Reference Designations for Electrical and Electronics Parts and Equipment: ASME Y14.44-2008 (Replaced IEEE 200-1975): Section 2.1.5.3. ASME, Fairfield, NJ. 2008. Archived from the original on 2010-03-13.
"Switchcraft Telephone Jack and Telephone Plug Mating Chart" (PDF). Archived from the original (PDF) on 2014-04-13. Retrieved 2013-06-24.
"Wired for Sound: A Musician's Guide to TS and TRS Cables". RockStock. RockStock Pedal Co. Archived from the original on 2024-04-17. Retrieved 11 December 2024.
Collins, Keith. "What Is A TRS Cable? TRS vs TS Cables". Sound Unlocked. Archived from the original on 2024-12-11. Retrieved 11 December 2024.
"TS vs TRS Cables: What's the Difference?". GEARit. GoDirectInc.com Inc. Archived from the original on 2024-12-11. Retrieved 11 December 2024.
"Waterproof Audio Jacks – IP67 Rated Stereo Connectors". CUI Devices. Archived from the original on 2023-03-29. Retrieved 2023-12-15.
Teodoro, Jeffrey (17 September 2023). "5 Reasons Why the Smartphone Industry Is Trying to Kill the 3.5 Mm Headphone Jack". Tech Times. Tech Times LLC. Archived from the original on 2024-03-13. Retrieved 10 December 2024.
"Apple is late, not early, to ditching the headphone jack". Quartz. 2016-09-08. Archived from the original on 2024-01-01. Retrieved 2024-07-12.
"Seven years later, Apple was right to kill off the 3.5mm headphone jack". Apple Insider. 2022-08-17. Archived from the original on 2023-11-23. Retrieved 2023-12-15.
"Understanding TRRS and Audio Jacks – Cable Chick Blog". Cable Chick. Archived from the original on 2023-11-06. Retrieved 2023-12-15.
"MEElectronics – P version headset earphone compatibility". Meelec.com. Archived from the original on 2010-12-27. Retrieved 2013-07-14.
"Apple iPod Shuffle (2G) USB interface pinout diagram @ pinoutguide.com". pinoutguide.com. Archived from the original on 2024-02-05. Retrieved 2024-02-05.
Sauerborn, Denis (2019-04-12). "Pentaconn – Das steckt hinter der 4,4 Millimeter-Kopfhörerverbindung" [Pentaconn – About the 4.4 millimeter headphone connector]. mobile fidelity magazine (in German). Archived from the original on 2022-05-25. Retrieved 2022-11-28.
"About Us". Pentaconn Global. Subang Jaya, Selangor, Malaysia: Nippon DICS SDN BHD. 2016. Archived from the original on 2022-11-11. Retrieved 2022-11-28.
"Jack Schematics" (PDF). switchcraft.com. Archived from the original (PDF) on 2011-07-17.
[1] Archived November 10, 2006, at the Wayback Machine
Smoot, Ryan. "Understanding Audio Jack Switches and Schematics". CUI Devices. Archived from the original on 2023-04-01. Retrieved 2023-06-07.

whirlwindusa.com

[1] Archived November 10, 2006, at the Wayback Machine

worthpoint.com

Description of 3.5 mm earphone jack in described model: "Vintage Sony 1960'S EFM-117J Radio". WorthPoint. Retrieved 2016-01-25.

xperiablog.net

"2012 Xperia range uses different 3.5mm headset standard | Xperia Blog". www.xperiablog.net. 27 February 2012. Retrieved 2017-08-17.

ycombinator.com

news.ycombinator.com

"Headphone inline controls – how they differ on Apple iOS vs. Android/Nokia | Hacker News". news.ycombinator.com. Retrieved 2020-04-24.