My 2010's CD player and Aux stopped working suddenly?

My 2010's CD player and Aux stopped working suddenly. Yet the radio works fine. Are there two separate fuses for them and where are they located?

I got a sound battery in my truck my amp jl audio 1000/1 it's say low voltage do I Need a capacitor to?

I put a nice double din Pioneer in the wife's car Blue Tooth , Sirius , touch screen , video display ,,,, the whole deal was just a little over 5 bills .

determine subwoofer enclosure volume?

whats a good list of brands to look into?

I want something i can turn up and listen to at gatherings, parties, ect. Good highs and bass and quality sound and has to be able to last. I need a pair of 4.5's, 6's, and 6x9's. Its for a suzuki samurai( looks like a cheap jeep with hart top)