Why does my bass sound boomy?

[Uncle Funkster]

I have a fender aerodyne which io alway use flat wound strings. It has started to sound very boomy almost a complete lack of treble. Any ideas much appreciated!

[bassfart]

Your Flat wound strings have finally broken in.

[prd004]

Originally Posted by bassfart

Your Flat wound strings have finally broken in.

+1
If you love the feel of flats but want some treble, try Chromes or Rotosound Jazz