I've been happy with Rockville under seat Sub+Amp along with some infinity speakers. Going on 3 years with zero issues.
https://www.amazon.com/gp/product/B079PSSD6N
Doubletake Adventure Mirrors with 6in Ram arm and ram ball kit
Barely used maybe handful times, never sat out in the weather. Has been kept in its own storage bag.
One mirror has some type of permanent smudge (see photo) Barely noticeable unless looking direct. Photo makes it look worse than...
How 's the fitting for wrangler? Do you have any pictures?
CanvasBack is a great option for exact fit cargo liner. Owned a set for a previous vehicle and loved it but pricey.
https://www.canvasback.com/jeep-wrangler-jl-4-dr-cargo-liners.html
how are they at highway speeds?
Are the mirrors long enough for passenger side viewing?
I currently have the doubletake mirrors but its a pain to adjust every time you want to use them.