Are XLR cables always balanced?

Related questions

1. Is XLR balanced or unbalanced?
2. What RCA unbalanced?
3. Do RCA cables make a difference?
4. Is RCA and aux the same?
5. What is better balanced or unbalanced audio?
6. What does XLR balanced mean?
7. How important are RCA cables?
8. What is analogue audio output?
9. What do XLR cables plug into?
10. Is analog recording better than digital?

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