Yes you can. But you really don't want to. Their installation department is the worst I've ever seen. They are utterly and completely incompetent. I can promise you if you have installation work done here you will regret it and have to have it redone somewhere else by competent technicians.
Yes
They do car stereo and speaker installs. I'm pretty sure they could do your amp and sub. Might want to call and talk to one of their techs.
Thanks! Your answer is awaiting moderation.