I was wondering if wiring the positive/negative speaker cables backwards is the same thing as a 180 phase switch on the back of some subs ? The reason I ask is that I had two velodyne subs located in the back of my room and I found that with the phase switch set to 180 that I got better/louder bass. Now I have two subs without a phase switch and was wondering if wiring it backwards would be doing the same thing as the 180 phase switch on the velodynes ? Also since I have two side subs hooked up to my side speakers, that if I did wire the subs backwards for a 180 phase shift, would it also be a good idea to wire my side speakers backwards as to keep both the side subs and the two side speakers that they are hooked up to at the same phase ? they will be crossed over at 100 hz with my side subs..