If it is only between the two cards you mentioned I think you already answered your own question:

Echo Mia has better specs, +4 dBv input level support and balanced 1/4" inputs. What more do you need to know ;) ?

On a related note, however, I would also pay attention to the quality of the drivers (listen around on this and other forums). I honestly don't know which one is better in that category but it might make quite a difference.

I assume your budget restricts you to only these two options? If not, I can personally vouch for the quality and performance of RME cards. I have not found a single disappointed user yet. You might want to check those out, too. http://www.rme-audio.com.

Hope this helps,

MisterBlue.

Thanks, Mr Blue - Those RME cards are very nice indeed - Too bad the entry level card is pricey - Let me know if you come across a cheap one. I'm convinced that the RME cards just have better converters.

i have the audiophile but have too many problems with drivers every time you look you have top upgrade im looking into the layla 24. I do not care to much for their cust. support either