1. With 5.1 channel and audio high fidelity different structural design 2. Small and light appearance, good electrical conductivity, high safety and stability 3. DIP and SMT are available for installation 4. Contact terminal adopts elastic structure design to ensure good, stable contact and service life 5. Can design different functional connection products according to customer requirements 6. High-quality audio transmission: The pj-392 offers stable, high-fidelity audio transmission with gold-plated internal contacts and a durable metal housing. 7. Plug stability: pj-392 plug design is reasonable, plug is very stable, not easy to loose, to ensure that the signal is not lost during long-term use. 8. Wide range of application: pj-392 socket size is quite universal in the market, suitable for all kinds of earphones, audio equipment, etc. 9. Strong compatibility: pj-392 supports different specifications of headphone plugs, such as 3.5mm, 2.5mm, etc., to ensure the wide compatibility. 10. High durability: Due to the use of high-quality metal shell material, pj-392 socket has a high durability, can withstand long time use and plug without loosening or damage problems. Taken together, the pj-392 headphone socket is a stable, high quality, easy to operate and compatible audio interface that is the first choice for audio enthusiasts and professionals.pj-392 headphone socket is a common audio interface with a wide range of applications. The following are some common product applications: Mobile phones - Many mobile phones come with a headphone jack, the pj-392, so users of these phones can use this jack to connect headphones, earbuds and other external audio devices for a better sound quality experience. Laptops - Most laptops are also equipped with the pj-392 headphone socket, which allows users to connect headphones or other external audio devices for a better audio experience, such as listening to music, watching movies, etc. MP3/MP4 Players - Many MP3/MP4 players also feature the pj-392 headphone socket, allowing users to enjoy better sound quality by connecting headphones or other external audio devices. Consoles - Many consoles also feature the pj-392 headphone socket, which allows users to enjoy a more immersive sound experience while playing games by connecting headphones or other external audio devices. Video and audio products, notebook, tablet, communication products, household appliances Mobile phone stereo design, earphone,CD player, wireless phone, MP3 player, DVD, digital products All in all, the pj-392 headphone jack is a very common audio interface used in a wide variety of audio devices. Whether listening to music, watching movies, playing games, etc., the pj-392 can provide users with better audio effects and a better experience.