They all have tariffs. They are not as extreme as China. Goods from China will become totally unaffordable, also Vietnam and South Korea.
TVs will become a luxury, and few will be able to afford them, when their current ones fail.
One thing I fear is that violent break-ins will become common place to steal items like TVs and computers.
This is going to be an absolute mess. A lot of companies of audio gear will go under. Pretty sure Sound United will be among the first to go.
I think it would take us years to gear up to make TVs and complex audio gear here. Complex ICs will be a particular problem, but we don't even make caps and resistors here in any quantity.
My hunch is that for audio there will be a return to simpler two channel gear, but that is all hard to predict.
Once any member looses a vital piece of equipment from failure, there will be tough choices.
It would not hurt to buy a receiver now, as a spare, before the prices skyrocket or become unavailable.