it's going to be so low that it doesn't make a difference what kind it is? I see people getting SVS and etc, but if your going to have it calibrated to the same level as the rest of your speakers, what difference does it make? When calibrating the speaker levels, I get them all to the same level, then when it's time for the sub, the meter goes off the chart. I would have to actually turn the power level on the sub down for it to match the rest of the speakers. I have never listened to the sub set at the same level as the rest of the speakers. Is there enough bass with it being that low? I can only imagine how much of a lack of bass there is if it's on the same level as all the speakers. Am I wrong, does the type of sub really make a difference at such a low level? It seems like you will barely scratch the surface of the subs potential with it being so low. I adjust my sub by ear, I like to hear the rumble. But if this is inaccurate, I will have to consider doing it differently.