Question: what are the bass frequencies on an eq?
Answer: 80 – 200 Hz: Fullness. Boosting here adds depth and body, solidifying a robust low end.
200 – 300 Hz: Muddiness loves to live in the 200 to 300 Hz range. ... 
500 – 1000 Hz: Punchiness. ... 
2.5 – 5 kHz: Attack.