I have been having some frustrating problems with my MacBook Pro. I have tried recording with a microphone from the built-in mic input, and I have tried recording with a microphone using an M-Audio FireWire Solo recording interface. With both, the input level is diminished compared to what it should be. It will only peak if I really crank the levels to max and this is not normal. The only way to record anything is to turn everything way up and with this method I get all the hiss that goes along with it. My built-in mic's input level seems normal, but the sound quality is strangely terrible, nothing compared to the quality of the mic on a G4 powerbook. I've tried using different microphones, cables, Logic, Garage Band, and all the other variables I could think of, but nothing seems to fix this problem. Has anyone heard of this happening? Does anyone have any idea what I should do? Thank you.