we do have several threads on this topic but....
ill admit again, as embarrassed as I am I do have beat by dre, not the ear muff ones, I have the ear bud ones with the thing that goes around the ear.
I LOVE THEM!
I tried and returned every pair of of similar ear buds that every store in my area had, literally, walmart, target, best buy all of them.
I bought the beats twice, first time I returned them cus I didn't want to spend the money, next time was because nothing I tried sounded as good.
I bought noise canceling foam tips for them too, they are the only ear bud I have tried with great sound quality and real base.
the only other ones I found similar were online for much more money.
I think the key is they have more then 1 driver, like 1 for bass and another for mid and high level sound.
Tx-400 - Comply? Foam Tips
**broken link removed**