3.5mm 4-Pole TRRS Panel Mount Jack – Nickel Plated, Metal Body

Professional 4-Contact Audio Jack for Headsets & AV Builds

The MJ-079 is a high-quality 3.5mm 4-pole (TRRS) panel mount jack designed for reliable audio signal transmission in professional and custom applications.

Built with a robust metal body and nickel-plated contacts, it delivers durability, strong signal integrity, and corrosion resistance — making it ideal for control panels, audio gear, and OEM installations.

Perfect for repairs, custom interface boxes, rack builds, intercom systems, and headset connections.

🔧 Key Features

• 4 Contacts (TRRS) – Supports stereo audio + microphone or auxiliary channel

• 3.5mm Standard Jack – Compatible with common headset and audio devices

• Panel Mount Design – Secure chassis installation

• Metal Body Construction – Built for long-term durability

• Nickel-Plated Contacts – Reliable, corrosion-resistant signal transmission

• Solder Terminals – Strong mechanical and electrical connection

🎧 Typical Applications

• Headset & microphone inputs

• Intercom systems

• AV control panels

• Custom rack panels & wall plates

• Portable audio equipment repairs

• DIY audio interface builds

📐 Technical Specifications