[quote name='Mr. Foxen' post='723517' date='Jan 24 2010, 08:43 PM']If you like the sound as it is, but want louder, get another the same.
A 15 underneath will probably not do much more than a crate of equal height, cause 15s don't move as much air and will probably do less with the power.[/quote]
+1
If you like your tone, but want more volume, get another of the same.