Aww, duh! It's so obvious now that you've said it. Less air to move = less power required. And a good seal means the driver doesn't have to work against any extra air (atmosphere outside of the ear canal) that it doesn't need to.

Just got my NE-7Ms in the mail and I am thoroughly impressed. I too was debating between the NE-7M and RE2 but kept reading that the RE2s are slightly lacking in bass. I listen to a lot of funk/breakbeat/hip-hop/rock so having sufficient bass is important to me.

Does anyone have an explanation (or link me to an article) as to how an IEM can reproduce lower end frequencies. I can't imagine those little 10mm drivers are putting out all that much. It seems that low-end presence is highly dependent on having a good seal which leads me to believe there's...

I just ordered a pair with t-400 comply tips on amazon. For $50, I can't not buy them after reading all the positive reviews.

Yes, I did try searching but couldn't find much compairing the two, I think I might have searched with a dash. Plus I wanted to ask some specific questions. Sorry, I'm a newb to this kinda stuff (see post count). Thanks for your help though.

Bump. Please guys, I need some input and you guys are the experts. Thanks.

I need a new pair of best-bang-for-the-buck IEMs and I'm not really looking to spend much more than $50. I mainly use them while walking, bike riding, and using public transportation so decent isolation (not so much that I can't hear car horns, etc), little to no microphonics are highly...