I had a klipsch years ago, but it got old. Just was not that fast and could never get it to blend well. Do not remember what model, but I think it was around $700.00 Ended up moving to a Mirage bp 150 (2 x 8" with 150 watt amp) for $750.00 which blew it away and also ran much, much cooler. Of course when I upgraded to Martin Logan then the mirage wouldn't even keep up with the panels so I sold it. Less base but way better sound. If you like the sound of your Aegis you may want to just try and get a full range model that they make. I think without laying out a lot of cash it is hard to find a sub that will handle music. If you purchased your speakers from a dealer maybe they will take them back on a trade? What ever you do I believe there are many more subs out there in the same price range that will better the Klipsch I only have experience with these two but I am sure some more post will help.
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