I know this is a pretty basic question, so sorry for the ignorance. I have a Yamaha RX-V440 receiver which is supposed to output 75 watts to every channel. However, I wasn't sure if I needed to worry about the watts of the subwoofer, as I don't have one yet. I've had my eye on the Tiny Mighty II which is 100 watts. Do I need to worry about the sub and the receiver being compatible wattage wise? I haven't really found anything in the manual about it. Any help would be appreciated.