Why do we need equalizer?

Related questions

1. Does subwoofer improve sound quality?
2. Are bigger speakers better?
3. How do you EQ sub bass?
4. Is bass low frequency?
5. What is deep bass?
6. What's the difference between speakers and subwoofers?
7. What are examples of low frequency sounds?
8. Should I put my subwoofer on the floor or table?
9. What is the lowest frequency of a bass guitar?
10. Which way should a subwoofer face?

Tags

1. #within
2. #overall
3. #adjusting
4. #production
5. #music
6. #adjust
7. #their
8. #individual
9. #frequency
10. #instruments
11. #timbre
12. #content
13. #spectrum
14. #voices
15. #equalizers