broken midrange. replace it or buy new set of speakers

[towncarblue 10+ year member]

i have an Image Dynamics CXS {6.5" component set} .
one of the woofers broke so i bought two Rockford Fosgate pps4-6 midrange drivers
to replace them {while still using the ID crossover and tweeters}.
2.5 years ago i replaced the car but didn't transfer over the speakers. kept them in storage.

i recently wanted a bit more output from the factory system so i bought a kicker key180.4[45w rms x4]. I installed some polk db691 in the front door .while installing the rear speakers I noticed that one of the pps4-6 drivers wasn't working too well {sounded like a tweeter, silver center cone is loose }.

so now i have around $100-$150 budget to replace the rears but I'm not sure what to do. should i just buy another pps4-6 midrange driver ? or find a better set of midrange drivers? or buy a set of polk coaxials? or buy a different set of coaxials?
im mainly looking for clarity {SQ}

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