It seems it's picking up this interference/crackling because I'M CHARGING my Archos 7.
(i.e. the AC adapter is connected... when I disconnect it and touch the amp, it stops with the interference/crackling sound...)
Not sure if it's supposed to do that though... and I'm not sure if it's the enclosure.
At least with the Altoids tin can, this doesn't happen.
Have any of you tried charging your PMPs while using the amp and see if you get
the same thing? (the crackling sound is similar to when a TRS input in a guitar to an amp is messed up
or something like that...)
P.S. Even with a cold, I can actually perceive a difference in sound/volume against the Cmoy 2.03!
But I'll give more impressions when I get better! :-(