Default Equalizer Questions Help....

Ive searched around and ive seen a few issues with the Eq Either not working or Making it worse...

Now After going Extreme OCD mode...and wanting to throw this s4 at the wall... What would be a idealistic Rom for a Audiophile?... Along with all the extra goodies? I dont have the greatest earphones in the world But My beats Solo Hds didnt sound anywhere close to what they did on my old S2...

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