What are the differences between balanced and unbalanced connectors?
Unbalanced have 2 connectors and Balanced have 3 connectors
Balanced are "hot" and grounded. Unbalanced are "cold" (out of polarity) and grounded.
Unbalanced are subject to interference.
Unbalanced are used for consumer, semi-pro, and short cable runs. Balanced are used for pro applications.