New firebox with problems

[ersheff]

Hi, folks. I got a new firebox for Christmas, but I already think something's wrong with it. Anything getting played back from the computer, i.e. itunes or system sounds, sound crystal clear and loud, but anything I send in, whether it's mic, line, or instrument, is noisy as hell. I understand that I can't expect totally noiseless performance from it since it is an inexpensive device, however I've seen tons of great reviews. Not only do I get lots of hiss, but I can hear hard drive and screen noise coming through loud enough to make my direct bass sound like crap. Obviously. this is not right. Anyone had similar or totally opposite experiences with the firebox?
By the way, I've only tried it so far with my week old 12" ibook. Is it possible that the problem is coming from the computer?
Thanks.

Mine works and sounds great. It is under warranty, telephone Presonus and have them walk you thru setting it up. They are great with support.

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