An entirely hidden system - operated by a small remote control - won't upset the purists, but the sound quality is only any good when you're tinkering with the car in the garage, or sitting at traffic lights. On the move, the only thing you'll hear (feel), is the bass... A lot of guys are talking about different marine remotes
http://www.ffcobra.com/ubb/ultimateb...c;f=1;t=039808