it all depends on who the girl in the pic is....nice pic. Ok It should play the sub only. Buy yourself a car inverter that plugs into your lighter or it can be the hard wired type depends on your install experience. Fro m the question it seems like you experience is minimal. I'm not sure it will sound good but that is how you would do it. BTW you will get flamed for this. And I was just answering the question not condoing the install. (Sorry gotta watch my back this place will burn ya!) LMK how it goes