Orchardbike
Emira Fan
IF your sub can take all the frequencies and remove the higher frequencies, then as you have a single sub, you would need to give it both right and left channels. You can just take a feed from the right and left speakers, take them to the sub (4 cables) and then twist both right and left + together and right and left - together to make 2 cables and connect to the sub, this won’t affect the speakers upstream. I think you’re also saying that the signal from these speakers doesn’t cover the higher frequencies. This would be a surprise? If that’s the case then you could also take a feed from some of the mid/higher frequency speakers and connect in the same way.
