Normally I would disagree in going out of a guitar amp's line level outs, it's just NOT the same as miking it. However with the particular Line6 amp you have....go out the outputs. Their speakers have a brittle sound to them, but the amp modeling section is very nice. The AT4033 isn't an ideal microphone for amp recording. But again with the amp you have, just go direct.... By the way, NEVER use the BBE Sonic Maxmizer for recording or mixdown... TOO much noise. If you do wish to enhance the bass harmonics, get the Waves MaxBass plugin....