What are the three parameters of an equalizer?

Related questions

1. What's the point of a subwoofer?
2. How do you EQ sub bass?
3. What is the best frequency response?
4. Should I use equalizer?
5. What is low bass frequency?
6. What is bass in speaker?
7. What is earphone bass?
8. What is the best Hz for a subwoofer?
9. Should I put my subwoofer on the floor or table?
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Tags

1. #center
2. #variable
3. #frequency
4. #equalizer
5. #amplitude
6. #unlike
7. #three
8. #inverse
9. #bandwidth
10. #graphic
11. #parameters