How to wire an XLR, Jack or Phono Plug

Balanced to Unbalanced Connectors

If the output is unbalanced connect the negative to the ground when going to a balanced connector. However, if the output is balanced do not connect these two when going into an unbalanced connector.

XLR Connector

XLR Pin out Pin 1 = Ground
Pin 2 = Positive
Pin 3 = Negative

Balanced Jack Connector

Balanced jack Sleeve = Ground
Tip = Positive
Ring = Negative

Unbalanced Jack Connector

Jack Plug Tip = Positive
Sleeve = Ground


Phono Connector

rca Tip = Positive
Sleeve = Ground


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How to wire an XLR, Jack or Phono Plug