You saved yourself some money to spend on better speakers etc.... which is awesome. I wonder if two speakers that measured the same could still sound different?
That would depend on the comprehensiveness of your measurements (and whether you are assuming completely identical listening conditions).
No one takes measurements complete enough to guarentee that matching measurements = matching sound. And if someone did, no two speakers would exactly match in measurements, even if the speakers were of identical construction with identical parts. Turns out instruments are *very* sensitive.
Indeed: you can use mics to tell things like the moisture level in the air. Something I, for one, cannot hear.
So your question, though perhaps seeming scientific, is actually philosophical.