Radio/dvd player wouldn’t be on a 40 amp fuse. Potentially fried the unit. Try unplugging the trying something else in that outlet that you know works. Also, check all your GFCI’s to make sure none of those popped.
Truck: 2006 Dodge 3500 Dually
Rig: 2018 Big Country 3155 RLK
Boat: 21' North River Seahawk