TPA3255 output capacitors

Hi,
I'm interested to find out how important are the output capacitors vs. the sound quality.
In most tpa3255 amps the 1uf and 1nf are wima mkp/fkp so I'm assuming they are important, but there is another cap 10nf in series with
3r3 resistor to ground, snubber?, and most of the time instead of good wima fkp the cheap ceramic is used.
would upgrade this capacitor influence the sound quality of the tpa3255?
has anyone tried it?
thank you.
 

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