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Connector Encyclopedia · Audio / power

XLR · 4-pin

Intercom headsets and 12 V DC power. Two different jobs, same shell.

Pin explorer

Schematic. Read the molded numbers on the real part.
1234
PinFunction
1Mic shield / ground
2Mic hot
3Headphone −
4Headphone +
Printable bench card

XLR · 4-pin

1234
Intercom headset (Clear-Com / RTS single-channel)
1Mic shield / ground
2Mic hot
3Headphone −
4Headphone +
DC power, 12 V (common camera convention) · stop-work at our bench
1Ground (−)
2Not connected
3Not connected
4+12 V DC

Cable: Headset: 2-pair shielded. Power: 2-conductor, gauge for the load. · Limits: Power variant is outside our repair scope (Service Terms §6). · productionbench.com/connectors/xlr4 · Reviewed by Thomas Popp

Sources

  • Clear-Com headset wiring reference
  • Manufacturer camera power specs (verify per device)

Verified against the sources above · Reviewed by Thomas Popp. Found an error? Tell us; corrections are logged on the page.

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