Solved! Can I use powered tower speaker for second subwoofer

Oct 14, 2018
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I have onkyo tx rz720 receiver I. I like to add second subwoofer. But I have a old powered tower speaker. Can I use that for second subwoofer
 
Solution
You can do that. It might sound worse using two different subwoofers over the same range. I would suggest you try the tower by itself vs both together. Use what you like. Louder doesn't mean better.

Huh?

Not sure why adding a second sub would affect your other speakers? U should be able to just add it, ideally the exact same as sub1 to maintain timbre.