What's the difference between 5.1 and 7.1 surround sound?

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Tags

1. #theater
2. #subwoofer
3. #systems
4. #speaker
5. #include
6. #front
7. #speakers
8. #support
9. #channel
10. #surround
11. #center
12. #either
13. #typical
14. #configurations
15. #right