You want low bass but have specifically ruled out the one most economical way of getting it. You will now proceed to spend more, probably even taking up more space, than the one method that will actually produce the low bass you want. Oh well.
Own goal is hard to image. So I go with http://www.vendoralley.com/wp-content/uploads/2013/03/shooting+yourself+in+the+foot.jpg
Own goal is hard to image. So I go with http://www.vendoralley.com/wp-content/uploads/2013/03/shooting+yourself+in+the+foot.jpg