The opposite of "un equaled" could be "matched," "comparable," or "equivalent." These words suggest that something has a counterpart that is equal in value or quality. Another antonym could be "inferior," indicating that the thing in question is not up to par. Alternatively, you could use "unsurpassed" or "unequaled" but in the negative sense, implying that it falls short of being truly incomparable. In any case, antonyms for "un equaled" suggest that there is a standard or comparison that can be made, whether it is positive or negative.