Subwoofer Amp Issue

[natevaz22]

I have 2 12's they are kicker CVR's and a Alpine Mono 500.1 amp and i have been using the same set up for about 2 months and starting yesterday my amp started shutting off for a long time to be exact around 2 hors then i can play one song if that with volume on like 8 and it shuts right off again any ideas? -Thanks!