02-07-2018, 03:24 PM
(01-31-2017, 09:05 PM)shineon Wrote: i've been listening to the surf one for about an hour a day as well as the ultrasonic and it doing something so yay! I'll just keep combining them
If you play two subs at the same time, over top of each other, neither of them will work at all. It just confuses the brain, like having two people talk to you at the same time without listening to each other - you have to tell one to shut up so you can concentrate on the other.