bouldersoundguy
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Literally don't worry about it. Compromising for a single format means compromising for all other formats. Make a great mix and master and it will work on earbuds and everything else.
Adam
The exception to that approach is when you have a panned low frequency source. Applying a filter to center frequencies below 300Hz will help a lot in earbuds and not really hurt in speakers. It's worth doing.