All in theory...//content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif But yeah, your correct, but as I have found out, it depends mostly on the subs...Originally posted by Jmac 3 dB = double the power
3 dB = double the cone area
If you have one sub and you give it 700 watt and then add another sub in and give that one 700 watts, you should theoretically gain 6 dB ...