Without room gain, a sub would need to be very large/very powerful/very expensive.

If you're really serious, you might want to look into the used professional PA market. You likely won't get the depth that you can get with a better "indoor" sub, but you'll get volume at least!

(but still bring it in when not in use!)

Last edited by MarkSJohnson; 06/21/11 05:46 PM.
::::::: No disrespect to Axiom, but my favorite woofer is my yellow lab :::::::