Originally Posted by
lnuss
In case he wasn't joking... Bill, most any aviation headset will work with almost any AUDIO source* (whether it's an aviation radio or a stereo/HiFi or a boom box) that has a ¼ inch plug, or can be adapted to such. The question would be more appropriate for RADIOS but, to the best of my knowledge aviation frequencies are pretty much the same around the world (including being AM rather than FM or sideband) else international travel would require multiple radios. The only real incompatibilities I'm aware of are between typical military freqs and typical civilian freqs.
* the ear pieces will pretty much all work -- some microphones aren't as good on non-aviation sources, though.