Whoa! Under those conditions... There is no such thing. Otherwise if there is, then they must sound like crap.
I don't think that there is any wireless circumaural under $30 that is even worth considering.
Originally Posted by intoflatlines
SF5 Pro are probably the best IEMs under $200. I use them for portable situations and they sound great.
I'd have to disagree
I'd say the ER-4S's are the best IEM's...