The PJ309 6.35mm Audio Jack 3Pin Stereo Audio Socket Microphone Welding Line For Microphone Socket PJ309 5Pcs(5PCS Silver Nut) is a 6.35 mm (1/4 inch) microphone socket with a 3pin stereo design. It is intended for soldering microphone wiring and for use in panel mounted applications. The package includes five pieces and five silver nuts for secure installation. Key benefits Reliable solderable connection: designed for easy welding of microphone cables and wires to the 3pin stereo socket. Durable construction: metal shell provides mechanical protection and acoustic shielding for dependable performance. Standard 6.35 mm size: compatible with a wide range of microphones, audio interfaces, mixers, and other equipment using 1/4 inch jacks. Secure mounting: silver nuts included support firm panel mounting for stable, professional installations. Costeffective set: pack of five pieces reduces downtime and simplifies multichannel builds or repairs. Key attributes Model: PJ309 Connector size: 6.35 mm (1/4 inch) Pins: 3pin stereo configuration Intended use: microphone welding line Package contents: 5 pieces with 5 silver nuts Material: metal shell with solderfriendly terminals Compatibility: suitable for devices and projects using standard 6.35 mm audio jacks Specifications overview 6.35 mm (1/4 inch) audio jack 3pin stereo socket Microphone welding line design Includes 5 pieces and 5 silver nuts Use cases Microphone and maintenance: worn or damaged 6.35 mm microphone sockets in professional mics, stage gear, or recording equipment. DIY microphone projects: build or microphones and related gear that require a 6.35 mm stereo input with a solderable 3pin connection. Panel mounted installations: add or upgrade inputs on mixers, audio interfaces, amplifiers, or rack equipment where a secure panel mount is required. Installation notes Align the 3 pins with the corresponding signal and ground connections in your circuit. Solder each pin to the appropriate pad or lead, ensuring a solid, clean joint. Insert the socket into the panel hole and secure with the included silver nut. Verify compatibility with your 6.35 mm plug and test for proper stereo operation before final use.