The title is actually misleading. He's searching for an entry level amp to go with an iDevice and m50's. Since the hp's don't need an amp, and he still wants one, we recommendet the usual suspects in the entry class.
I agree that information is a bit vague on this one. We don't have a budget for example. We don't know what "portable" means (is an o2 portable?) all we know is, entry level and basshead for m50's
I'm looking for the best portable budget amp. Sorry for the misleading title.