The black item on the top left is the armrest/cell phone holder for the seat in front of the helm with the wireless charger that is very picky on phones. My boat has the same aluminum skin. Doesnt really rattle. the latch for the helm access does the majority of rattling. The grey board on...
Ill have to dig through my phone but I believe I have some pics. My boat is a 2021 my rear speakers light up but they only light up when the exterior leds are on.