XLR Connectors

Description | Applications | Pin Assignments | Assembly Instructions

From Left: Line Socket, Line Plug, Panel Socket, Panel Plug

Description

Robust connector available in 3 to 5 pole versions. 3 pole version normally used on professional audio equipment for balanced connections both at microphone and line level. Provides a mono connection, for stereo signals a pair of connections will be needed (as for phono). Sometimes used for speaker connections on professional high-powered rigs, however for safety Speakon connectors should be used since this wiring carries high voltages and currents. 3 and 5 pole versions are used in lighting control systems.

Typical Applications

Audio - Microphones, Mixers, Amplifiers, Effect units etc.

Loudspeakers, however Speakon connectors should be used instead for safety

Lighting - DMX512 lighting control protocol

Wheelchairs / Scooters - Charging connection

Pin Assignments

Balanced Audio (3 pole XLR):

Pin 1: Ground / Screen
Pin 2: In phase / +ve / Hot
Pin 3: Out of phase / -ve / Cold

Unbalanced Audio (3 pole XLR):

Pin 1: Ground / Screen
Pin 2: Signal
Pin 3: Ground / Screen (connect to pin 1)

DMX512 Lighting Control (3 or 5 pole XLR):

Coming Soon

Connector Assembly Instructions

Normally solder terminals. Remember to thread the cover onto the cable before soldering. Some connectors (Neutrik or similar) have a chuck-type strain relief, others have a metal cable clamp. Squeeze this shut with pliers AFTER soldering, or the heat may melt the cable sheath.

Top | Back to Index