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

Specification
Details

Model
MJ-079

Connector Type
3.5mm Jack (Female)

Number of Contacts
4 (TRRS)

Mounting Type
Panel Mount

Contact Plating
Nickel Plated

Body Material
Metal

Pin Diameter
3.5mm

Gender
Jack