Total posts : 45366
“Do you lose audio volume as the wire goes along? ”
Yes, it’s called attenuation. I might or might not be a factor for your application. Read more here:
and ridiculous amounts of wire knowledge here:
“Also, can you use the volt-ohm meter to see if your audio
signal is strong at the end of the cable run?”
Yes, if your meter can measure low voltage, low current AC, which is what your audio signal looks like to a meter.
Experimental broadcasting for a better tomorrow!