XLR connector pinout and information

Super Admin
07 May 2026
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XLR connector pinout and information

This information provides a detailed overview of the XLR connector pinout and its various configurations and uses, particularly in professional audio environments.

Additional Information

  • Also Known As: Cannon Connector (named after the inventor).
  • Configurations: Available in 3, 4, 5 pin, and mini 3 M/F pin configurations.
  • Usage: The most common connector for professional microphones and audio equipment.
  • Pin Reversal: Some equipment reverses pin 2 (- cold) and pin 3 (+ hot).

Unbalanced Audio Connectors

  • Types: RCA, ¼” 2 conductor, 3.5/2.5 mm 2 conductor.
  • Description:
    • Traditional unbalanced cables use two lines to transmit the audio signal: a hot line (which carries the signal) and a shield line.
    • Suitable for short cables (where noise is less of a problem) and semi-professional applications.

 

Initial submission Date: June 24, 2024
Article authored by: Phil Benati

Additional Information

  • Also Known As: Cannon Connector (named after the inventor).
  • Configurations: Available in 3, 4, 5 pin, and mini 3 M/F pin configurations.
  • Usage: The most common connector for professional microphones and audio equipment.
  • Pin Reversal: Some equipment reverses pin 2 (- cold) and pin 3 (+ hot).

Unbalanced Audio Connectors

  • Types: RCA, ¼” 2 conductor, 3.5/2.5 mm 2 conductor.
  • Description:
    • Traditional unbalanced cables use two lines to transmit the audio signal: a hot line (which carries the signal) and a shield line.
    • Suitable for short cables (where noise is less of a problem) and semi-professional applications.

 

Initial submission Date: June 24, 2024
Article authored by: Phil Benati

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