It is unlikely that all the speakers went west at the same time, "all my speakers just suddenly stopped working"How many speakers do you have?
What is the make and model of your HU?
Do you have an off-board amp driving the speakers, or are they run off the HU?
Does everything on the HU still work?
94
94LS
^^^ now in the process of being striped down and gutted for the rebuild.
Now cruising in my new winter car, 89 Chrysler Dynasty
You get what you pay for.
Nothing is impossible, the impossible takes longer and costs more money.