first of all, are they legal in FL? and also, i could only find one size (10 inches), if the speakers in the car are smaller than that, would i not be able to use them? Is the volkswagen jetta speakers 10 inches? Are they also easy to install? and could i get a professional to do it? please help me, i almost know nothing about all this 
thanks. also, if i install them would i have no way of turning them off or would i have to buy a separate control box until to be able to switch them on/off any time?
i didn't ask for your opinion but thanks for bringing it
thanks. also, if i install them would i have no way of turning them off or would i have to buy a separate control box until to be able to switch them on/off any time?i didn't ask for your opinion but thanks for bringing it