{"product_id":"3-5mm-female-audio-jack-socket-3-4-pin-stereo-connector-5-pack","title":"3.5mm Female Audio Jack Socket 3\/4 Pin Stereo Connector – 5 Pack","description":"\n\u003ch2\u003e3.5mm Female Audio Jack Socket – 3-Pin \u0026amp; 4-Pin Stereo Connector with Nut (5 Pack)\u003c\/h2\u003e\n\u003cp\u003eUpgrade your audio projects with the \u003cstrong\u003eHELTC PJ-392A 3.5mm Female Audio Jack Socket\u003c\/strong\u003e — a versatile, heavy-duty connector designed for makers, electronics hobbyists, repair technicians, and DIY audio enthusiasts. Available in both 3-pin (TRS) and 4-pin (TRRS) configurations, this compact socket delivers a reliable, secure connection for headphones, microphones, and other stereo audio devices.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose This Audio Jack Socket?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Pin Configuration:\u003c\/strong\u003e Available as 3-pin (stereo) or 4-pin (stereo + microphone) to suit a wide range of applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Metal + Plastic Construction:\u003c\/strong\u003e High-quality materials ensure long-lasting performance — resistant to bending, breaking, and deformation even with repeated use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSecure Nut Mounting:\u003c\/strong\u003e Includes a threaded nut for panel-mount installation, keeping the socket firmly in place in chassis, enclosures, and project boxes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSolder Termination:\u003c\/strong\u003e Clean solder-contact terminals for a solid, low-resistance electrical connection — ideal for custom wiring and circuit builds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Form Factor:\u003c\/strong\u003e Measuring just 0.35 × 0.79 in (0.9 × 2.0 cm), this socket fits neatly into tight spaces without taking up valuable panel real estate.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Voltage Rated:\u003c\/strong\u003e Operates safely at 24V, well within EU LVD low-voltage standards (below 50V AC \/ 75V DC).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eValue Pack:\u003c\/strong\u003e Each order includes \u003cstrong\u003e5 pieces\u003c\/strong\u003e, giving you plenty of spares for multiple projects or repairs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e PJ-392A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnector Type:\u003c\/strong\u003e 3.5mm Female (Mono\/Stereo\/TRRS)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin Options:\u003c\/strong\u003e 3-Pin (TRS) \/ 4-Pin (TRRS)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Metal + Plastic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 0.35 × 0.79 in \/ 0.9 × 2.0 cm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eContact Termination:\u003c\/strong\u003e Solder\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 24V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e 5 Pcs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDIY audio amplifier builds and speaker projects\u003c\/li\u003e\n  \u003cli\u003eHeadphone jack repair and replacement\u003c\/li\u003e\n  \u003cli\u003eCustom audio interface panel mounting\u003c\/li\u003e\n  \u003cli\u003eArduino, Raspberry Pi, and other maker board audio I\/O\u003c\/li\u003e\n  \u003cli\u003eGuitar effects pedals and music equipment\u003c\/li\u003e\n  \u003cli\u003eElectronics lab prototyping and breadboard extensions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cp\u003eLooking for more electronics and audio accessories? Check out these options from our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-percent-better-every-day-motivational-canvas-wall-art-print\"\u003e\"1% Better Every Day\" Motivational Canvas Wall Art Print\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAuthoritative Reference\u003c\/h3\u003e\n\u003cp\u003eFor guidance on safe handling of low-voltage electronics components, visit the U.S. Consumer Product Safety Commission (CPSC) for consumer electronics safety standards.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Due to differences in lighting and monitor settings, the actual color may vary slightly from product images. Please allow minor size tolerances due to manual measurement.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the difference between a 3-pin and 4-pin 3.5mm audio jack socket?\u003c\/h4\u003e\n\u003cp\u003eA: A \u003cstrong\u003e3-pin (TRS) socket\u003c\/strong\u003e supports stereo audio (left channel, right channel, and ground) — perfect for standard headphones and stereo audio output. A \u003cstrong\u003e4-pin (TRRS) socket\u003c\/strong\u003e adds a fourth contact for a microphone signal, making it ideal for headsets, smartphones, and communication devices that combine audio output and mic input in a single connector.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I install this 3.5mm female jack socket onto a panel or enclosure?\u003c\/h4\u003e\n\u003cp\u003eA: Drill a hole in your panel or enclosure that matches the 3.5mm socket body diameter, insert the socket from the front, and secure it firmly using the included threaded nut on the rear side. Then solder your audio wires directly to the solder terminals for a reliable electrical connection.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Are these 3.5mm audio jack sockets compatible with standard headphone plugs?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The PJ-392A accepts standard 3.5mm (1\/8-inch) TRS and TRRS plugs, making them compatible with the vast majority of consumer headphones, earbuds, audio cables, and microphone jacks available on the market today.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How many pieces are included in one order?\u003c\/h4\u003e\n\u003cp\u003eA: Each order includes \u003cstrong\u003e5 pieces\u003c\/strong\u003e of the 3.5mm female audio jack socket. You can choose between the 3-pin or 4-pin version depending on your project requirements.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the difference between a 3-pin and 4-pin 3.5mm audio jack socket?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A 3-pin (TRS) socket supports stereo audio (left channel, right channel, and ground) — perfect for standard headphones and stereo audio output. 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