louder highs

[iivan]

ok so i wanted better highs...so i swapped my 3.5 in front to clarion...no difference
now i decided to swapp all door speakers to this
http://www.jr.com/kenwood/pe/KEN_KFC6893PS/
not much difference
polarity is right
why arnt they loud?
01 lincoln ls..stock 6disc alpine

 

[PeteyCracks]

idk the specs of the stock radio, but there might not be enough power