Tom, Paradigm DSP series of subs are nice and I believe have speaker level inputs. Also I know Polk used to recommend this type of set up and therefore my Polk sub has these inputs too.

Actually when I was even more of an HT noob than I am now, that caused me great confusion when my receiver manual said to use the LFE out but my Polk sub manual said to use the speaker level inputs! confused Glad I'm a little bit more knowledgeable today (I think).

Dan
On-Wall M5HP LCR, QS8 & EP500 in 7.1