When you alluded to a strange package, I was thinking a shrunken head or something to that effect. A car stereo? No problem.

I travel with electronic equipment constantly, and very rarely does it even raise an eyebrow. I did get a bit of questioning flying into MVD with a driveshaft for a sailboat and 4 quarts of hydraulic fluid from the US, but the customs guy gave up after a I feigned a lack of Spanish for a few minutes.