Check if they turn on and off manually. If they do not turn on automatically check for trigger voltage. The turn on signal is nothing but a constant voltage so use a volt ohm meter to check for that. Does not matter what it is, if there is any voltage at all they should turn on. If it was one sub I would say maybe a sub has a problem. But when its two subs its just way unlikely they both went bad at the same time. Either you hooked up something wrong or the Yamaha is not triggering them. In this day and age everyone is so easily triggered that’s hard to believe, I would cherish the subs for that reason alone, that they are hard to trigger. Not to mention the cool factor in having subs that aren't woke. Seriously though, don’t be triggered, pretend I didn’t say that. Disconnect the trigger, it is silly (in every sense of the word) just turn the subs on and leave them on. That’s what I do. But then I hate being triggered, even if it is just an amp.
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