Originally Posted by MLA
If the sub is powered by a full-range amp thats in "low-Pass, you leave the "rear" on full-pass and let the amp do the filtering.
What amp did you go with?
I went with the Soundstream PN4.520D
4-channel amp. Running the 4 Polk db651s off the front two channels and the sub bridged off the rear two. Is it not a good idea to let the HU do the filtering?